diff --git a/browser/app/App.ts b/browser/app/App.ts
index fcf88b5..302b6a4 100644
--- a/browser/app/App.ts
+++ b/browser/app/App.ts
@@ -1,12 +1,18 @@
 import { nextFrame } from "../animation/nextFrame";
 import { OnAnimationFrame } from "../animation/OnAnimationFrame";
+import { sleep } from "../animation/sleep";
 import { DateMath } from "../date/DateMath";
 import { ActivityAnalyser } from "../dom/ActivityAnalyser";
+import { ClassFlag } from "../dom/ClassFlag";
+import { Fullscreen } from "../dom/Fullscreen";
 import { Insight } from "../dom/Insight";
 import { LandscapeScale } from "../dom/LandscapeScale";
+import { HashScroll } from "../dom/page-features/features/HashScroll";
 import { PageHandler, PageHandlerMode } from "../dom/PageHandler";
 import { UserAgentDeviceTypes } from "../dom/UserAgentDeviceType";
+import { EventSlot } from "../events/EventSlot";
 import { TemplatesManager, TemplatesManagerMode } from "../templates/TemplatesManager";
+import { waitAround } from "../tools/sleep";
 import { AppPathConverter } from "./AppPathConverter";
 
 export class AppInitializerData
@@ -108,7 +114,7 @@ export class App
       this.setLoaded();
     }
 
-    setTimeout( ()=>{ this.setLoaded() }, 3000 )
+    setTimeout( ()=>{ this.setLoaded(); App.appReadyFlag.set( document.body ) }, 3000 )
 
     if ( ! data.allowWWWSubdomain  )
     { 
@@ -184,12 +190,21 @@ export class App
 
     this.activityAnalyser.start();
 
+    Fullscreen.setFlagOnChange();
+
     await this.pageHandler.initialize();
 
-    this.initializePage();    
+    await this.initializePage();    
 
+    HashScroll.applyOnDocument( this.onAnimationFrame );
+
+    await sleep( 300 );
+    
+    App.appReadyFlag.set( document.body );
   }
 
+  static appReadyFlag = new ClassFlag( "app-ready" );
+
   async initializePage()
   {
     while ( ! this.loaded )
@@ -198,12 +213,18 @@ export class App
     }
 
     //console.log( "App.initializePage" );
-    this.insight.grabElements();
+    // this.insight.grabElements();
     this.templatesManager.processChildren( document.body );
+
+
+    this.insight.grabElements();
+    
     this.pageHandler.replaceLinks();
+    this.pageHandler.resolveRootPaths( document );
+    
 
     return Promise.resolve();
-  }
+  } 
 
   static updateAll()
   {
diff --git a/browser/colors/ColorStop.ts b/browser/colors/ColorStop.ts
new file mode 100644
index 0000000..0f390c3
--- /dev/null
+++ b/browser/colors/ColorStop.ts
@@ -0,0 +1,63 @@
+import { HTMLColor } from "./HTMLColor";
+
+
+export class ColorStop
+{
+  color:HTMLColor;
+  stop:number;
+
+  static create( color:HTMLColor, stop:number )
+  {
+    let cs = new ColorStop();
+    cs.color = color;
+    cs.stop = stop;    
+    return cs;
+  }
+
+  getLengthCSS()
+  {
+    return `${this.color.toString()} ${this.stop}%`;
+  }
+
+  getDegreesCSS()
+  {
+    return `${this.color.toString()} ${this.stop}deg`;
+  }
+
+  
+  static createFrom( colors:HTMLColor[], scale = 1 )
+  {
+    let colorStops:ColorStop[] = [];
+
+    let normalizer = 100 / ( colors.length -1 );
+
+    for ( let i = 0; i < colors.length; i++ )
+    {
+      let colorStop = new ColorStop();
+      colorStop.color = colors[ i ];
+      colorStop.stop  = i * normalizer * scale;
+
+      colorStops.push( colorStop );
+    }
+
+    return colorStops;
+  }
+
+  static createEqualSpread( factor:number, ...colors:HTMLColor[] )
+  {
+    let normalizer = factor / ( colors.length - 1 );
+
+    let colorStops:ColorStop[] = [];
+
+    for ( let i = 0; i < colors.length; i++ )
+    {
+      let colorStop = new ColorStop();
+      colorStop.color = colors[ i ];
+      colorStop.stop  = i * normalizer;
+
+      colorStops.push( colorStop );
+    }
+
+    return colorStops;
+  }
+}
\ No newline at end of file
diff --git a/browser/colors/Gradient.ts b/browser/colors/Gradient.ts
new file mode 100644
index 0000000..2cc4b8e
--- /dev/null
+++ b/browser/colors/Gradient.ts
@@ -0,0 +1,101 @@
+
+import { ColorStop } from "./ColorStop";
+import { HTMLColor } from "./HTMLColor";
+
+export abstract class HTMLGradient
+{
+  colorStops:ColorStop[];
+
+  getColorStopsLengthCSS()
+  {
+    let colorStopValues = this.colorStops.map( c => c.getLengthCSS() );
+
+    return colorStopValues.join( ", " );
+  } 
+
+  getColorStopsDegressCSS()
+  {
+    let colorStopValues = this.colorStops.map( c => c.getDegreesCSS() );
+
+    return colorStopValues.join( ", " );
+  } 
+
+  applyToBackground( e:HTMLElement )
+  {
+    e.style.background = this.toString();
+  }
+
+  abstract toString():string;
+}
+
+export class LinearGradient extends HTMLGradient
+{
+  repeating = false;
+  position = "180deg";
+
+  get type()
+  {
+    return this.repeating ? "repeating-linear-gradient" : "linear-gradient";
+  }
+
+  toString()
+  { 
+    return `${this.type}(${this.position}, ${this.getColorStopsLengthCSS()})` + ( this.repeating ? "" : " no-repeat" );
+  }
+
+  static createVertical( color:HTMLColor, h:number = 10, s:number = 5, l:number = 5 )
+  {
+    let hslColor = color.toHSL().clone();
+
+    let colorA = hslColor.clone().shift( -h, -s, -l );
+    let colorB = hslColor.clone().shift(  h,  s,  l );
+
+    let lg = new LinearGradient();
+    lg.colorStops = ColorStop.createEqualSpread( 100, colorA, colorB );    
+    return lg;
+  }
+
+  static createHorizontal( left:HTMLColor, right:HTMLColor, normalizedState:number, normalizedWidth:number )
+  {
+    let lg = new LinearGradient();
+    lg.position = "90deg";
+    lg.colorStops = 
+    [ 
+      ColorStop.create( left, normalizedState - normalizedWidth ),
+      ColorStop.create( right, normalizedState + normalizedWidth ),
+    ]
+
+    return lg;
+  }
+
+  static create( colors:HTMLColor[] )
+  {
+    let lg = new LinearGradient();
+    lg.colorStops = ColorStop.createFrom( colors );    
+    return lg;
+  }
+}
+
+export class RadialGradient extends HTMLGradient
+{
+  repeating = false;
+  position = "circle at center";
+
+  get type()
+  {
+    return this.repeating ? "repeating-radial-gradient" : "radial-gradient";
+  }
+
+  toString()
+  { 
+    return `${this.type}(${this.position}, ${this.getColorStopsLengthCSS()})`;
+  }
+}
+
+export class ConicGradient extends HTMLGradient
+{ 
+  toString()
+  { 
+    return `conic-gradient(${this.getColorStopsDegressCSS()})`;
+  }
+}
\ No newline at end of file
diff --git a/browser/date/DateMath.ts b/browser/date/DateMath.ts
index 9600a7e..2ddb783 100644
--- a/browser/date/DateMath.ts
+++ b/browser/date/DateMath.ts
@@ -1,8 +1,24 @@
+import { leadingZeros } from "../text/leadingZeros";
 import { DateHelper } from "./DateHelper";
 
 export class DateMath
 {
-  
+  static getMinutesAndSeconds( allSeconds:number )
+  {
+    let minutes = Math.floor( allSeconds / 60 );
+    let seconds =Math.round( allSeconds - minutes * 60 );
+
+    return { minutes, seconds };
+  }
+
+  static formatToMinutesAndSeconds( allSeconds:number )
+  {
+    let values = this.getMinutesAndSeconds( allSeconds );
+    let minutes = isNaN( values.minutes ) ? "--" : leadingZeros( values.minutes, 2 );
+    let seconds =  isNaN( values.seconds ) ? "--" : leadingZeros( values.seconds, 2 );
+    return `${minutes}:${seconds}`;
+  } 
+
   static sort( dates:Date[] )
   {
     dates.sort( DateMath.sortDate );
diff --git a/browser/dom/ClassFlag.ts b/browser/dom/ClassFlag.ts
index 22c4ad6..3a84e92 100644
--- a/browser/dom/ClassFlag.ts
+++ b/browser/dom/ClassFlag.ts
@@ -50,6 +50,11 @@ export class ClassFlag
   {
     this._value = value;
   }
+  
+  static isIn( flag:string, element:Element )
+  {
+    return new ClassFlag( flag ).in( element );
+  }
 
   static fromEnum( value:string, prefix = "", appendix = "" )
   {
@@ -157,59 +162,27 @@ export class ClassFlag
     new ClassFlag( value ).set( element );
   }
 
+
   static addClass( element:Element, classString:string )
   {
-    let classAttribute = element.getAttribute( "class" ) || "";
-    let matcher = RegExpUtility.createWordMatcher( classString );
-  
-    if ( matcher.test( classAttribute ) )
-    {
-      return;
-    }
-  
-    classAttribute += " " + classString;
-    
-    ClassFlag.setNormalizedClassAttribute( element, classAttribute );
+    element.classList.add( classString );
   }
   
   static removeClass( element:Element, classString:string )
   {
-    let matcher = RegExpUtility.createWordMatcher( classString );
-    let classAttribute = element.getAttribute( "class" ) || ""; 
-  
-    classAttribute = classAttribute.replace( matcher, "" );
-    ClassFlag.setNormalizedClassAttribute( element, classAttribute );
+    element.classList.remove( classString );
   }
   
   static hasClass( element:Element, classString:string )
   {
-    let matcher = RegExpUtility.createWordMatcher( classString );
-    let classAttribute = element.getAttribute( "class" ) || ""; 
-    
-    return matcher.test( classAttribute );
+    return element.classList.contains( classString );
   }
 
   static toggleClass( element:Element, className:string )
   {
-    let flag = ! ClassFlag.hasClass( element, className );
-    ClassFlag.setClass( element, className, flag );
+    element.classList.toggle( className );
   }
   
-  static setNormalizedClassAttribute( element:Element, classAttribute:string )
-  { 
-    classAttribute = classAttribute.replace( /\s+/g, " " );
-    classAttribute = classAttribute.trim();
-    
-    if ( "" === classAttribute )
-    {
-      element.removeAttribute( "class" );
-    }
-    else
-    {
-      element.setAttribute( "class", classAttribute );
-    }
-    
-  }
   
   static setClass( element:Element, classString:string, enable:boolean )
   {
diff --git a/browser/dom/DOMEditor.ts b/browser/dom/DOMEditor.ts
index 7c15365..566c721 100644
--- a/browser/dom/DOMEditor.ts
+++ b/browser/dom/DOMEditor.ts
@@ -1,3 +1,6 @@
+import { HTMLNodeTreeWalker } from "../graphs/HTMLNodeTreeWalker";
+import { TreeWalker } from "../graphs/TreeWalker";
+
 export class DOMEditor
 {
   static nodeListToArray( list:NodeList )
@@ -99,6 +102,43 @@ export class DOMEditor
     return clones;
   }
 
+  static reverseChildren( element:Element )
+  {
+    Array.from( element.childNodes ).reverse().forEach( node => {
+      element.appendChild( node );
+    });
+  }
+
+  static getChildrenWidth( parent:Element, callback:( e:Element )=>boolean ) 
+  {
+    HTMLNodeTreeWalker.$.forAll
+  }
+
+  static swapNodes( parent:Element, node1:Node, node2:Node ) 
+  {
+    if ( node1 === node2 ) 
+    {
+      return;
+    }
+
+    let next1 = node1.nextSibling;
+    let next2 = node2.nextSibling;
+  
+    if ( next1 === node2 ) 
+    {
+      parent.insertBefore( node2, node1 );
+    }
+    else if ( next2 === node1 ) 
+    {
+      parent.insertBefore( node1, node2 );
+    }
+    else 
+    {
+      parent.insertBefore( node1, next2 );
+      parent.insertBefore( node2, next1 );
+    }
+  }
+
   static _cssCreationRegex:RegExp;
 
   static get cssCreationRegex() 
diff --git a/browser/dom/DOMHitTest.ts b/browser/dom/DOMHitTest.ts
index a04917c..0248893 100644
--- a/browser/dom/DOMHitTest.ts
+++ b/browser/dom/DOMHitTest.ts
@@ -96,7 +96,7 @@ export class DOMHitTest
   static getRelativeWindowPosition( e:MouseEvent|TouchEvent )
   {
     let position = this.getPointerPosition( e );
-    let windowBox = new Box2( new Vector2( 0, 0 ), new Vector2( window.innerWidth, window.innerHeight ) );
+    let windowBox = Box2.create( new Vector2( 0, 0 ), new Vector2( window.innerWidth, window.innerHeight ) );
 
     position.sub( windowBox.min );
     let size = windowBox.size;
diff --git a/browser/dom/ElementAttribute.ts b/browser/dom/ElementAttribute.ts
index 5856b1e..09aeb0e 100644
--- a/browser/dom/ElementAttribute.ts
+++ b/browser/dom/ElementAttribute.ts
@@ -23,6 +23,7 @@ export class ElementAttribute
   static readonly allowfullscreen = new ElementAttribute( "allowfullscreen", false );
   static readonly controls = new ElementAttribute( "controls", false );
   static readonly preload = new ElementAttribute( "preload", false );
+  static readonly playsinline = new ElementAttribute( "playsinline", false );
 
   static readonly selected = new ElementAttribute( "selected", false );
 
@@ -408,5 +409,28 @@ export class ElementAttribute
     this.to( target, this.from( source ) );
   }
 
+  asNumberFrom( element:Element, alternative:number = null )
+  {
+    if ( ! this.in( element ) )
+    {
+      return alternative;
+    }
+
+    let value = this.from( element );
+
+    if ( ! value )
+    {
+      return alternative;
+    } 
+
+    let numberValue = parseFloat( value );
+
+    if ( isNaN( numberValue ) )
+    {
+      return alternative;
+    }
+
+    return numberValue;
+  }
   
 }
\ No newline at end of file
diff --git a/browser/dom/ElementType.ts b/browser/dom/ElementType.ts
index 86571e9..7545b1c 100644
--- a/browser/dom/ElementType.ts
+++ b/browser/dom/ElementType.ts
@@ -95,7 +95,7 @@ export class ElementType<E extends Element>
     return this._type;
   }
 
-  forAll( target:Element|Document, callback:(element:E)=>any)
+  forEach( target:Element|Document, callback:(element:E)=>any)
   {
     let elements = this.queryAll( target );
     
@@ -105,9 +105,9 @@ export class ElementType<E extends Element>
     }
   }
 
-  forAllInDoc( callback:(element:E)=>any)
+  forEachInDoc( callback:(element:E)=>any)
   {
-    this.forAll( document, callback );
+    this.forEach( document, callback );
   }
 
   queryDoc():E
@@ -120,6 +120,11 @@ export class ElementType<E extends Element>
     return element.querySelector( this._rawType ) as E;
   }
 
+  selects( element:Element )
+  {
+    return element.nodeName.toLowerCase() == this._rawType.toLowerCase();
+  }
+  
   queryAll( element:Document|Element ):E[]
   {
     return DOMEditor.nodeListToArray( element.querySelectorAll( this._rawType ) ) as E[];
diff --git a/browser/dom/EventListeners.ts b/browser/dom/EventListeners.ts
index 7d48c95..2f5554b 100644
--- a/browser/dom/EventListeners.ts
+++ b/browser/dom/EventListeners.ts
@@ -44,6 +44,9 @@ export type load = "load";
 
 export type selectstart = "selectstart"; 
 
+export type hashchange = "hashchange";
+export type visibilitychange = "visibilitychange";
+
 // export type (\w+).+ 
 // $1 |
 export type EventListenerType =   
@@ -86,7 +89,10 @@ export type EventListenerType =
 
   load |
 
-  selectstart 
+  selectstart |
+
+  hashchange |
+  visibilitychange
   
   ;
 
@@ -140,6 +146,8 @@ export class Events
   static readonly load = "load";
 
   static readonly selectstart:selectstart = "selectstart";
+  static readonly hashchange:hashchange = "hashchange";
+  static readonly visibilitychange:visibilitychange = "visibilitychange";
 
   
 
@@ -814,6 +822,33 @@ export class OnChange
   }
 }
 
+export class OnHashChange
+{
+  static add( window:Window, callback:( e:Event )=>void, options:any = undefined )
+  {
+    window.addEventListener( Events.hashchange, callback, options );
+  }
+
+  static remove( window:Window, callback:( e:Event )=>void )
+  {
+    window.removeEventListener( Events.hashchange, callback );
+  }
+}
+
+export class OnVisibilityChange
+{
+  static add( document:Document, callback:( e:Event )=>void, options:any = undefined )
+  {
+    window.addEventListener( Events.visibilitychange, callback, options );
+  }
+
+  static remove( document:Document, callback:( e:Event )=>void )
+  {
+    window.removeEventListener( Events.visibilitychange, callback );
+  }
+}
+
+
 export class OnInput
 {
   static add( element:HTMLElement, callback:( e:InputEvent )=>void, options:any = undefined )
diff --git a/browser/dom/Fullscreen.ts b/browser/dom/Fullscreen.ts
new file mode 100644
index 0000000..ddd4912
--- /dev/null
+++ b/browser/dom/Fullscreen.ts
@@ -0,0 +1,203 @@
+import { ClassFlag } from "./ClassFlag";
+import { ElementAttribute } from "./ElementAttribute";
+import { ElementType } from "./ElementType";
+
+export class Fullscreen
+{
+  static readonly flag = new ClassFlag( "is-fullscreen" );
+
+  static _listensToChange = false;
+
+  static setFlagOnChange()
+  {
+    if ( Fullscreen._listensToChange )
+    {
+      return;
+    }
+
+    Fullscreen._listensToChange = true;
+
+    document.addEventListener( "fullscreenchange",
+      () => 
+      {
+        Fullscreen.flag.setAs( document.body, Fullscreen.isFullscreen() );
+      }
+    );
+  }
+  
+  static isFullscreen(): boolean
+  {
+    let anyDocument:any = document;
+
+    if ( anyDocument.fullscreenElement != null )
+    {
+      return true;
+    }
+
+    if ( anyDocument.webkitFullscreenElement != null )
+    {
+      return true;
+    }
+
+    if ( anyDocument.mozFullScreenElement != null )
+    {
+      return true;
+    }
+
+    if ( anyDocument.msFullscreenElement != null )
+    {
+      return true;
+    }
+
+    return false;
+  }
+
+  protected static async enterFullscreen( element:HTMLElement ): Promise<void>
+  {
+    let anyElement:any = element;
+
+    
+
+    if ( element.requestFullscreen != null )
+    {
+      return element.requestFullscreen();
+    }
+
+    if ( anyElement.webkitRequestFullscreen != null )
+    {
+      return anyElement.webkitRequestFullscreen();
+    }
+
+    if ( anyElement.mozRequestFullScreen != null )
+    {
+      return anyElement.mozRequestFullScreen();
+    }
+
+    if ( anyElement.msRequestFullscreen != null )
+    {
+      return anyElement.msRequestFullscreen();
+    }
+
+    return Promise.reject( new Error( "fullscreen api not supported" ));
+  }
+
+  static async exitFullscreen(): Promise<void>
+  {
+    let anyDocument: any = document;
+
+    if ( anyDocument.exitFullscreen != null )
+    {
+      return anyDocument.exitFullscreen();
+    }
+
+    if ( anyDocument.webkitExitFullscreen != null )
+    {
+      return anyDocument.webkitExitFullscreen();
+    }
+
+    if ( anyDocument.mozCancelFullScreen != null )
+    {
+      return anyDocument.mozCancelFullScreen();
+    }
+
+    if ( anyDocument.msExitFullscreen != null )
+    {
+      return anyDocument.msExitFullscreen();
+    }
+
+    return Promise.reject( new Error( "fullscreen exit not supported" ));
+  }
+
+  static async lockOrientation( orientation:string ): Promise<void>
+  {
+    let anyScreen: any = ( screen as any );
+    let api: any = screen.orientation != null
+                    ? screen.orientation
+                    : anyScreen.orientation != null
+                      ? anyScreen.orientation
+                      : anyScreen.msOrientation;
+
+    if ( api == null || typeof api.lock !== "function" )
+    {
+      return;
+    }
+
+    try
+    {
+      await api.lock( orientation );
+    }
+    catch
+    {
+      // fail quietly
+    }
+  }
+
+  static unlockOrientation(): void
+  {
+    let anyScreen: any = ( screen as any );
+    let api: any = screen.orientation != null
+                    ? screen.orientation
+                    : anyScreen.orientation != null
+                      ? anyScreen.orientation
+                      : anyScreen.msOrientation;
+
+    if ( api == null || typeof api.unlock !== "function" )
+    {
+      return;
+    }
+
+    try
+    {
+      api.unlock();
+    }
+    catch
+    {
+      // fail quietly
+    }
+  }
+
+  static async toggleFullscreen( videoContainer:HTMLElement, handleOrientation:"auto"|"portrait"|"landscape"=null ): Promise<void>
+  {
+    let videoElement = ElementType.video.query( videoContainer );
+    ElementAttribute.playsinline.to( videoContainer );
+    ( videoContainer as any ).playsInline = true;
+
+    if ( Fullscreen.isFullscreen() )
+    {
+      await Fullscreen.exitFullscreen();
+
+      if ( handleOrientation )
+      { 
+        Fullscreen.unlockOrientation();
+      }
+      
+      return Promise.resolve();
+    }
+
+    let target:string = null;
+
+    if ( handleOrientation !== null )
+    {
+      if ( handleOrientation === "auto" )
+      {
+        let vw = videoElement.videoWidth || videoElement.clientWidth || 16;
+        let vh = videoElement.videoHeight || videoElement.clientHeight || 9;
+
+        target = vw >= vh ? "landscape" : "portrait";
+      }
+      else
+      {
+        target = handleOrientation;
+      }
+    }
+
+    await Fullscreen.enterFullscreen( videoContainer );
+
+    if ( target != null )
+    {
+      await Fullscreen.lockOrientation( target );
+    }
+
+    return Promise.resolve();
+  }
+}
\ No newline at end of file
diff --git a/browser/dom/Insight.ts b/browser/dom/Insight.ts
index 27759f2..432438f 100644
--- a/browser/dom/Insight.ts
+++ b/browser/dom/Insight.ts
@@ -26,7 +26,7 @@ export class InsightData
   isInsight = false;
   wasInsight = false;
   viewBox:Box2 = null;
-  elementBox:Box2 = new Box2();
+  elementBox:Box2 = Box2.polar( 0 );
   changeTime:number = 0;
 }
 
@@ -142,7 +142,7 @@ export class Insight
     
     );
 
-    //console.log( this._elements );
+    console.log( this._elements );
   }
 
   update()
@@ -183,6 +183,8 @@ export class Insight
     let insightData =  insightElement._insightData;    
 
     let viewBox = insightData.viewBox;
+
+    // console.log( viewBox );
     
     if ( ! viewBox )
     {
@@ -192,6 +194,7 @@ export class Insight
 
     let elementBox = insightData.elementBox;
 
+    // console.log( elementBox, insightData, e );
 
     Box2.updatefromClientRect( insightData.elementBox, e.getBoundingClientRect() );
     
@@ -219,13 +222,13 @@ export class Insight
     }
 
     let insight = viewBox.intersectsBox( elementBox );
-    /*
-    console.log( 
-      "Is in sight", insight,
-      "DOCUMENT VIEW BOX:", viewBox, 
-      "ELEMENT BOX:", elementBox,
-      "ELEMENT", e 
-    );*/
+    
+    // console.log( 
+    //   "Is in sight", insight,
+    //   "DOCUMENT VIEW BOX:", viewBox, 
+    //   "ELEMENT BOX:", elementBox,
+    //   "ELEMENT", e 
+    // );
 
     if ( insight === insightData.isInsight )
     {
@@ -256,6 +259,7 @@ export class Insight
     }
     else
     {
+
       let isAbove = elementBox.max.y < viewBox.min.y; 
       Insight.in_sight.setAs( e, false ); 
       Insight.above_sight.setAs( e, isAbove); 
@@ -365,7 +369,7 @@ export class Insight
     let startY = window.innerHeight * relativeStart / 100;
     let endY   = window.innerHeight * relativeEnd  / 100;      
 
-    return new Box2( new Vector2( -10000, startY ), new Vector2( 10000, endY ) );
+    return Box2.create( new Vector2( -10000, startY ), new Vector2( 10000, endY ) );
 
    
   }
diff --git a/browser/dom/LandscapeScale.ts b/browser/dom/LandscapeScale.ts
index 2097366..2f5ac43 100644
--- a/browser/dom/LandscapeScale.ts
+++ b/browser/dom/LandscapeScale.ts
@@ -1,23 +1,26 @@
 import { DOMOrientation, DOMOrientationType } from "../dom/DOMOrientation";
 import { EventSlot } from "../events/EventSlot";
 import { ElementType } from "./ElementType";
+import { UserAgentInfo } from "./UserAgentInfo";
 
 
 
 export class LandscapeScale
 {
-  private _styleElement:Element;
-  private _lastWidth:number;
-  private _lastHeight:number;
-  private _lastOrientation:DOMOrientationType;
-  private _ultraWideRatio:number = 2.2;
-  private _sw:number;
-  private _sh:number;
-  private _swidth:number;
-  private _sheight:number;
-  private _sx:number;
-  private _sy:number;
-  private _spx:number;
+  _styleElement:Element;
+  _lastWidth:number;
+  _lastHeight:number;
+  _lastOrientation:DOMOrientationType;
+  _ultraWideRatio:number = 2.2;
+  _sw:number;
+  _sh:number;
+  _swidth:number;
+  _sheight:number;
+  _sx:number;
+  _sy:number;
+  _spx:number;
+  _fs:number;
+
 
   get sw()
   {
@@ -27,6 +30,7 @@ export class LandscapeScale
   onScreenSizeChange = new EventSlot<LandscapeScale>();
   onOrientationChange = new EventSlot<LandscapeScale>();
 
+  alerted = false;
 
   update()
   {
@@ -58,7 +62,9 @@ export class LandscapeScale
     this._lastWidth = newWidth;
     this._lastHeight = newHeight;
 
+    console.log( "Updating size:", this._lastWidth, this._lastHeight );
     this._sw = newWidth / 100;
+    this._sh = newHeight / 100;
 
     if ( ratio > this._ultraWideRatio )
     {
@@ -84,6 +90,29 @@ export class LandscapeScale
     this._swidth = this._sw  * 100;
     this._sheight = this._sh * 100;
 
+    this._fs = this._sw / 10;
+
+    let isChrome = window.innerWidth != window.visualViewport.width;
+
+    let fsValue = this._fs + "px";
+    let ffOffset = "0px";
+
+    console.log(  "is chrome:", isChrome, window.innerWidth, window.visualViewport.width );
+
+    if ( ! isChrome )
+    {
+      fsValue = `calc( ${this._fs}px * var(--firefoxScale ) * 0.01 )`;
+      ffOffset = "19px";
+    }
+
+    // if ( ! this.alerted )
+    // {
+    //   this.alerted = true;
+    //   // alert( "is chrome:" + isChrome ); 
+    // }
+
+    
+
 
     this._styleElement.innerHTML = 
     `
@@ -98,6 +127,8 @@ export class LandscapeScale
         --spx:${this._spx}px;
         --spx-raw:${this._spx};
         --spx-inv:${1/this._spx}px;
+        --fs:${fsValue}; 
+        --firefoxOffset:${ffOffset};
       }
     `
 
diff --git a/browser/dom/PageHandler.ts b/browser/dom/PageHandler.ts
index bcbab05..ee5a85d 100644
--- a/browser/dom/PageHandler.ts
+++ b/browser/dom/PageHandler.ts
@@ -60,6 +60,18 @@ export class PageHandler
   private _rootPathResolver = new RootPathResolver();
   get rootPathResolver(){ return this._rootPathResolver; }
 
+  private _preloadImagesFlag:boolean = true;
+  private _maxPreloadingDurationMS:number = 2000; 
+  
+  private static _localHost = "http://localhost:8080";
+  private static _localNetworkRegexPattern = /^(http:\/\/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}?:XXXX)/
+  private static _localNetworkRegex = RegExpUtility.createRegExp( this._localNetworkRegexPattern, "XXXX", 8080 + "" );
+  private _isHTMLMode:boolean = false;
+  private _fileLocation:string = "";
+  private _isFileMode:boolean = false;
+
+  private _pagesLoaded = false;
+
   setPagesPath( path:string )
   {
     this._pagesPath = path;
@@ -115,15 +127,7 @@ export class PageHandler
   }
   
 
-  private _preloadImagesFlag:boolean = true;
-  private _maxPreloadingDurationMS:number = 2000; 
-  
-  private static _localHost = "http://localhost:8080";
-  private static _localNetworkRegexPattern = /^(http:\/\/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}?:XXXX)/
-  private static _localNetworkRegex = RegExpUtility.createRegExp( this._localNetworkRegexPattern, "XXXX", 8080 + "" );
-  private _isHTMLMode:boolean = false;
-  private _fileLocation:string = "";
-  private _isFileMode:boolean = false;
+
 
   static setLocalHostPort( port:number )
   {
@@ -165,8 +169,7 @@ export class PageHandler
   
   get localAdress()
   {
-    let adress = this.trimmedLocation;
-    
+    let adress = this.trimmedLocation;    
     
     if ( adress.startsWith( PageHandler._localHost ) )
     {
@@ -191,7 +194,7 @@ export class PageHandler
     
     if ( adress.startsWith( PageHandler._localHost ) )
     {
-      console.log( "Is starting with localhost" );
+      // console.log( "Is starting with localhost" );
       return true;
     }
     
@@ -212,11 +215,8 @@ export class PageHandler
   {
     return this._isFileMode;
   }
-
   
 
-  
-  private _pagesLoaded = false;
 
   async initialize()
   {
@@ -330,6 +330,12 @@ export class PageHandler
     }
        
     let pageData = await this._getPageData( next );  
+
+    if ( pageData == null )
+    {
+      console.log( "No page data found:", page, next );
+    }
+
     this._currentLanguage = pageData.language;
 
     let elementType = new ElementType( this.pageRootTag );
@@ -599,18 +605,18 @@ export class PageHandler
   {
     let trimmedLocation = window.location.href;
 
-    let hash = /#.+$/.exec( trimmedLocation );
+    let hash = /#.*$/.exec( trimmedLocation );
     
     if ( hash )
     {
-      trimmedLocation = trimmedLocation.replace( /#.+$/, "" );
+      trimmedLocation = trimmedLocation.replace( /#.*$/, "" );
     }
 
-    let search = /\?.+$/.exec( trimmedLocation );
+    let search = /\?.*$/.exec( trimmedLocation );
 
     if ( search )
     {
-      trimmedLocation = trimmedLocation.replace( /\?.+$/, "" );
+      trimmedLocation = trimmedLocation.replace( /\?.*$/, "" );
     }
 
     return trimmedLocation;
@@ -620,7 +626,7 @@ export class PageHandler
   {
     let trimmedLocation = window.location.href;
 
-    let hash = /#\[.+\]$/.exec( trimmedLocation );
+    let hash = /#\[.*\]$/.exec( trimmedLocation );
     
     if ( hash )
     {
@@ -649,7 +655,7 @@ export class PageHandler
 
   private _startUpdater()
   {
-    if ( 'scrollRestoration' in window.history) 
+    if ( 'scrollRestoration' in window.history ) 
     {
       window.history.scrollRestoration = 'manual';
     }           
@@ -1095,6 +1101,11 @@ export class PageHandler
       return;
     }   
 
+    if ( hrefValue.startsWith( "#" ) )
+    {
+      return;
+    } 
+
     if ( PageHandler.isFunctionHandleLink( hrefValue ) )
     {
       PageHandler.makeFunctionHandleLink( a );
@@ -1103,9 +1114,13 @@ export class PageHandler
 
     if ( AttributeValue.target_blank.in( a ) )
     {
+      console.log( "Not processing blank link:", ElementAttribute.href.from( a ), a ); 
       return;
     }
-
+    else
+    {
+      console.log( "Processing blank link:", ElementAttribute.href.from( a ), a ); 
+    }
     this.makePageHandleLink( a );
 
   }
diff --git a/browser/dom/UserAgentInfo.ts b/browser/dom/UserAgentInfo.ts
index 236acc1..df3248e 100644
--- a/browser/dom/UserAgentInfo.ts
+++ b/browser/dom/UserAgentInfo.ts
@@ -30,6 +30,24 @@ export class UserAgentInfo
     return UserAgentInfo.is( /tablet/i );
   }
 
+  static get isChrome()
+  {
+    let ua = navigator.userAgent;
+    return ua.toLowerCase().includes( "chrome" ) && ! ua.toLowerCase().includes( "edg" );
+  }
+
+  static get isFirefox()
+  {
+    let ua = navigator.userAgent;
+    return ua.toLowerCase().includes( "firefox" );
+  }
+
+  static get isSafari()
+  {
+    let ua = navigator.userAgent;
+    return ua.toLowerCase().includes( "safari" );
+  }
+
   static get isTV()
   {
     let isTV = UserAgentInfo.is( /smart\-?tv/i ) || UserAgentInfo.is( /net\-?cast/i ) ||
diff --git a/browser/dom/page-features/components/MediaGallery.ts b/browser/dom/page-features/components/MediaGallery.ts
new file mode 100644
index 0000000..40adb34
--- /dev/null
+++ b/browser/dom/page-features/components/MediaGallery.ts
@@ -0,0 +1,258 @@
+import { TimePin } from "../../../animation/TimePin";
+import { LinearGradient } from "../../../colors/Gradient";
+import { HSLColor } from "../../../colors/HSLColor";
+import { DateHelper } from "../../../date/DateHelper";
+import { DateMath } from "../../../date/DateMath";
+import { TimestampMessage } from "../../../messages/TimestampMessage";
+import { RegExpUtility } from "../../../text/RegExpUtitlity";
+import { ClassFlag } from "../../ClassFlag";
+import { DOMHitTest } from "../../DOMHitTest";
+import { DOMOrientation } from "../../DOMOrientation";
+import { ElementAttribute } from "../../ElementAttribute";
+import { ElementType } from "../../ElementType";
+import { OnClick, OnMouseEnter, OnMouseMove, OnPause, OnPlay, OnTimeUpdate, OnTouchDrag, OnTouchEnd, OnTouchStart } from "../../EventListeners";
+import { Fullscreen } from "../../Fullscreen";
+import { Insight } from "../../Insight";
+
+export class MediaGallery
+{
+  static videoElements:HTMLElement[];
+  static activeVideoElement:HTMLElement;
+  static attachedGlobalListeners = false;
+  static insight:Insight;
+
+  static readonly mediaVideo = new ElementType( "media-video" );
+  static readonly mediaImage = new ElementType( "media-image" );
+  static readonly activeFlag = new ClassFlag( "active-video" );
+  static readonly itemIndex = new ElementAttribute( "item-index" );
+  static readonly container = new ElementType ( "media-container" );
+  static readonly showPlayButton = new ClassFlag( "show-play-button" );
+
+  static readonly fullScreenButton = new ElementType( "fullscreen-button" );
+  static readonly progressIndicator = new ElementType( "progress-indicator" );
+
+  static applyOnDocument( insight:Insight )
+  {
+    this.insight = insight;
+    this.attachGlobalListener();
+
+    MediaGallery.videoElements = MediaGallery.mediaVideo.queryAll( document.body ) as HTMLElement[];
+
+    MediaGallery.videoElements.forEach( v => this.applyOnVideoElement( v ) );
+  }
+
+  static attachGlobalListener()
+  {
+    if ( MediaGallery.attachedGlobalListeners )
+    {
+      return;
+    } 
+
+    MediaGallery.attachedGlobalListeners = true;
+
+    // OnMouseMove.add(
+    //   document.body, 
+    //   ( e )=>
+    //   {
+
+    //     if ( DOMOrientation.isPortrait )
+    //     {
+    //       return;
+    //     }
+
+    //     if ( ! MediaGallery.activeVideoElement )
+    //     {
+    //       return;
+    //     }
+
+    //     let isOver = DOMHitTest.isPointerOver( e, MediaGallery.activeVideoElement );
+        
+    //     if ( isOver )
+    //     {
+    //       return;
+    //     }  
+
+    //     MediaGallery.updateActiveVideo( null );
+        
+    //   }
+    // )
+  }
+
+  static applyOnVideoElement( element:Element )
+  {
+    let videoElement = ElementType.video.query( element );
+    let fs = MediaGallery.fullScreenButton.query( element );
+    let pi = MediaGallery.progressIndicator.query( element ) as HTMLElement;
+    
+    OnClick.add( pi, 
+      ( e )=>
+      {
+        let relative = DOMHitTest.getNormalizedPointerPosition( e, pi );
+        let position = Math.round( videoElement.duration * relative.x );
+        videoElement.currentTime = position;
+
+        e.preventDefault();
+        e.stopImmediatePropagation();
+        e.stopPropagation();
+      }
+    );
+
+    let updateVideoTimeCode = ( text:string = null )=>
+    {
+      let textValue = text != null ? text : ( DateMath.formatToMinutesAndSeconds( videoElement.currentTime ) + " / " + 
+                     DateMath.formatToMinutesAndSeconds(  videoElement.duration ) );
+
+      pi.innerHTML = `<span class="label">${textValue}</span>`;
+      let percent = text != null ? 0 : (videoElement.currentTime / videoElement.duration) * 100;
+      let leftColor = new HSLColor( 0, 0, 100, 0.3 );
+      let rightColor = new HSLColor( 0, 0, 100, 0.1 );
+
+      let linearBG = LinearGradient.createHorizontal( leftColor, rightColor, percent, 1 );
+
+      pi.style.background = linearBG + ", hsl(0,0%,0%,0.3)";
+    };
+
+    OnTimeUpdate.add( videoElement, () => { updateVideoTimeCode(); } );
+
+
+    OnClick.add( fs as HTMLElement, 
+      ()=>
+      { 
+
+        Fullscreen.toggleFullscreen( element as HTMLElement, "auto" );         
+
+      } 
+    );
+
+    updateVideoTimeCode( "--:--" );
+
+    // OnMouseEnter.add( element as HTMLElement, 
+    //   ()=>
+    //   {
+    //     if ( DOMOrientation.isPortrait )
+    //     {
+    //       return;
+    //     }
+
+    //     MediaGallery.updateActiveVideo( element );
+    //   }
+    // );
+
+    MediaGallery.showPlayButton.setAs( element, true );
+
+    OnClick.add( element as HTMLElement, 
+      ( me ) => 
+      {
+        if ( DOMOrientation.isPortrait )
+        {
+          return;
+        }
+
+        if ( videoElement.paused )
+        {
+          this.updateActiveVideo( element );
+          MediaGallery.showPlayButton.setAs( element, false );
+        }
+        else
+        {
+          videoElement.pause();
+          MediaGallery.showPlayButton.setAs( element, true );
+        }
+      }
+    );
+
+    OnTouchStart.add( element as HTMLElement, 
+      ( touchStartEvent )=>
+      {
+        if ( touchStartEvent.target == pi || DOMOrientation.isLandscape )
+        {
+          return;
+        }
+
+
+        console.log( touchStartEvent );
+        let startPosition = DOMHitTest.getRelativeWindowPosition( touchStartEvent );
+        let moved = false;
+        let treshold = 0.1;
+
+        let onDrag = ( dragEvent:TouchEvent )=>
+        {
+          if ( moved )
+          {
+            return;
+          }
+
+          let dragPosition = DOMHitTest.getRelativeWindowPosition( dragEvent );
+          moved = dragPosition.sub( startPosition ).length > treshold;          
+        }
+
+        let onEnd = ()=>
+        {
+
+          OnTouchEnd.remove( element as HTMLElement, onEnd );
+          OnTouchDrag.remove( element as HTMLElement, onDrag );
+
+          if ( moved )
+          {
+            return;
+          }
+
+          let videoElement = ElementType.video.query( element );
+          
+          if ( videoElement.paused )
+          {
+            this.updateActiveVideo( element );
+            MediaGallery.showPlayButton.setAs( element, false );
+          }
+          else
+          {
+            videoElement.pause();
+            MediaGallery.showPlayButton.setAs( element, true );
+          }
+
+        }
+
+        OnTouchEnd.add( element as HTMLElement, onEnd );
+        OnTouchDrag.add( element as HTMLElement, onDrag );
+      }
+    )
+
+  }
+
+  static updateActiveVideo( e:Element )
+  {
+    MediaGallery.activeVideoElement = e as HTMLElement;
+
+    this.videoElements.forEach(
+      ( v )=>
+      {
+        let isActive = MediaGallery.activeVideoElement === v;
+        this.activeFlag.setAs( v, isActive );
+
+        let video = ElementType.video.query( v );
+        
+        if ( ! video )
+        {
+          return;
+        }
+
+        if ( video.paused === ! isActive )
+        {
+          return;
+        }
+
+        if ( isActive )
+        {
+          // video.currentTime = 0;
+          video.play();
+        }
+        else
+        {
+          video.pause();
+          MediaGallery.showPlayButton.setAs( v, true );
+        }
+
+      }
+    )
+  }
+}
\ No newline at end of file
diff --git a/browser/dom/page-features/components/MediaGallerySelector.ts b/browser/dom/page-features/components/MediaGallerySelector.ts
new file mode 100644
index 0000000..c3f4250
--- /dev/null
+++ b/browser/dom/page-features/components/MediaGallerySelector.ts
@@ -0,0 +1,234 @@
+import { Vector2 } from "../../../geometry/Vector2";
+import { MathX } from "../../../math/MathX";
+import { ClassFlag } from "../../ClassFlag";
+import { DOMHitTest } from "../../DOMHitTest";
+import { DOMOrientation } from "../../DOMOrientation";
+import { ElementAttribute } from "../../ElementAttribute";
+import { ElementType } from "../../ElementType";
+import { OnClick, OnDrag } from "../../EventListeners";
+import { MediaGallery } from "./MediaGallery";
+
+export class OffsetElement extends HTMLElement
+{
+  _position:Vector2;
+  
+  static applyOffset( e:OffsetElement )
+  {
+    e.style.transform = `translate(${e._position.x}px, ${e._position.y}px)`;
+  }
+
+}
+
+export class MediaGallerySelector
+{
+  static type = new ElementType( "media-gallery-selector" );
+  static target = new ElementAttribute( "target" );
+
+  static leftArrow = new ElementAttribute( "left-arrow" ); 
+  static rightArrow = new ElementAttribute( "right-arrow" ); 
+  static state = new ElementAttribute( "state" ); 
+
+  static active = new ClassFlag( "active" );
+  static index  = new ElementAttribute( "index" );
+
+  static applyOnDocument()
+  {
+    MediaGallerySelector.type.forEachInDoc( e => this.applyOnElement( e ) );
+  }
+
+
+  static applyOnElement( e:Element )
+  {
+    let target = MediaGallerySelector.target.queryValueInDoc( e );
+    let items  = MediaGallery.itemIndex.queryAll( target );
+
+    items.sort(
+      ( a:any, b:any )=>
+      {
+        let indexA = MediaGallery.itemIndex.asNumberFrom( a );
+        let indexB = MediaGallery.itemIndex.asNumberFrom( b );
+        return indexB - indexA ;
+      }
+    );
+
+    let offsetElement = target as OffsetElement;
+    offsetElement._position = new Vector2();
+
+    let startPosition = new Vector2();
+   
+    let direction = 0;
+
+
+    OnDrag.add( offsetElement,
+      ( ev )=>
+      {
+        if ( DOMOrientation.isLandscape )
+        {
+          return;
+        }
+
+        let position = DOMHitTest.getPointerPosition( ev);
+
+        if ( /start|down/.test( ev.type ) )
+        {
+          startPosition = position.clone();
+          direction = 0;
+        }
+        else if ( /end|up/.test( ev.type ) )
+        {
+          if ( direction == 1 )
+          {
+            let index = MediaGallerySelector.index.asNumberFrom( e );            
+            let indexOffset =  ( offsetElement._position.x > 0 ? -1 : 1 );
+            console.log( "offset:", offsetElement._position.x, "index offset:", indexOffset  );
+            index += indexOffset;
+
+            let videos = MediaGallery.mediaVideo.queryAll( target );
+            let images = MediaGallery.mediaImage.queryAll( target );
+            let num = videos.length + images.length;
+
+            index = MathX.clamp( index, 0, num - 1 );
+
+            MediaGallerySelector.index.to( e, index + "" );
+            MediaGallerySelector.redraw( e );
+          }
+
+          offsetElement._position.set( 0, 0 );
+          OffsetElement.applyOffset( offsetElement );
+
+        }
+        else
+        {
+
+          let diff = position.clone().sub( startPosition );
+          
+          if ( direction == 0  && diff.length > 5 )
+          {
+            direction = Math.abs( diff.x ) > Math.abs( diff.y ) ? 1 : -1;
+          }
+          
+          if ( direction == -1 )
+          {
+            offsetElement._position.set( 0, 0 );
+            OffsetElement.applyOffset( offsetElement );
+            return;
+          }
+
+          diff.multiply( 0.2 );
+
+          offsetElement._position.set( diff.x, diff.y );
+          offsetElement._position.clampPolar( window.innerWidth / 10, 0 );
+          OffsetElement.applyOffset( offsetElement );
+        }
+
+        if ( direction > 0 )
+        {
+          ev.stopImmediatePropagation();
+          ev.stopPropagation();
+          ev.preventDefault();
+        }
+      }
+    );
+
+    MediaGallerySelector.leftArrow.forAll( e, 
+      l => 
+      {
+        OnClick.add( l as HTMLElement, 
+          ()=>
+          { 
+            console.log( "WHI L" );
+            let index = MediaGallerySelector.index.asNumberFrom( e );
+            
+            if ( index == 0 )
+            {
+              return;
+            }
+
+            index --;
+
+            MediaGallerySelector.index.to( e, index + "" );
+            MediaGallerySelector.redraw( e );
+          }
+        );
+      }
+    );
+
+
+    MediaGallerySelector.rightArrow.forAll( e, 
+      r => 
+      {
+        OnClick.add( r as HTMLElement, 
+          ()=>
+          { 
+            console.log( "WHI R" );
+            let index = MediaGallerySelector.index.asNumberFrom( e );
+            
+            if ( index == ( items.length - 1 ) )
+            {
+              return;
+            }
+
+            index ++;
+
+            MediaGallerySelector.index.to( e, index + "" );
+            MediaGallerySelector.redraw( e );
+          }
+        );
+      }
+    );
+
+    MediaGallerySelector.state.forAll( e,       
+      s => 
+      {
+        OnClick.add( s as HTMLElement, 
+          ()=>           
+          {
+            
+            let stateIndex = MediaGallerySelector.index.asNumberFrom( s );
+            console.log( "WHI INDEX", stateIndex );
+            MediaGallerySelector.index.to( e, stateIndex + "" );
+            MediaGallerySelector.redraw( e );
+          }
+        );
+        
+      }
+    );
+
+    MediaGallerySelector.redraw( e );
+  }
+
+  static redraw( e:Element )
+  {
+    let index = MediaGallerySelector.index.asNumberFrom( e );
+    let target = MediaGallerySelector.target.queryValueInDoc( e );
+    let container = MediaGallery.container.query( target ) as HTMLElement;
+
+    let offset = index * -103;
+    let value  = `translate3d(${offset}vw,0vw,0vw)`;
+     
+    container.style.transform = value;
+
+    console.log( "current-index", index );
+
+    let numElements = 3;
+
+    MediaGallerySelector.leftArrow.forAll( e, 
+      l => MediaGallerySelector.active.setAs( l, index > 0 )
+    );
+
+    MediaGallerySelector.rightArrow.forAll( e, 
+      r => MediaGallerySelector.active.setAs( r, index < ( numElements - 1 ))
+    );
+
+    MediaGallerySelector.state.forAll( e,       
+      s => 
+      {
+        let stateIndex = MediaGallerySelector.index.asNumberFrom( s );
+        MediaGallerySelector.active.setAs( s, index == stateIndex );
+      }
+    );
+
+    
+
+  }
+}
\ No newline at end of file
diff --git a/browser/dom/page-features/features/HashScroll.ts b/browser/dom/page-features/features/HashScroll.ts
new file mode 100644
index 0000000..b4cd281
--- /dev/null
+++ b/browser/dom/page-features/features/HashScroll.ts
@@ -0,0 +1,67 @@
+import { OnAnimationFrame } from "../../../animation/OnAnimationFrame";
+import { OnChange, OnHashChange, OnVisibilityChange } from "../../EventListeners";
+
+export class HashScroll
+{
+  static _hasScrolled = false;
+  static _hasListener = false;
+  
+  static applyOnDocument( onAnimationFrame:OnAnimationFrame )
+  {
+    HashScroll._hasScrolled = false;
+    HashScroll.scroll();
+
+
+    if ( this._hasListener )
+    {
+      return;
+    } 
+
+    OnVisibilityChange.add( document, HashScroll._visibilityHandler );
+
+    HashScroll._hasListener = true;
+
+    OnHashChange.add( window, ()=> HashScroll.scroll() );
+      
+    
+    
+  }
+
+  static scroll()
+  {
+    console.log( "Scrolling:", document.hidden );
+    let hash = location.hash;
+
+    if ( hash )
+    {
+      let el = document.querySelector( hash );
+
+      if ( el )
+      {
+        el.scrollIntoView( { behavior: "smooth", block: "start" } );
+      }
+    }
+
+  }
+
+  static _doScrollOnce()
+  {
+    if ( this._hasScrolled )
+    {
+      return;
+    }
+
+    HashScroll.scroll();
+
+    HashScroll._hasScrolled = true;
+    document.removeEventListener( "visibilitychange", HashScroll._visibilityHandler );
+  }
+
+  static _visibilityHandler = () =>
+  {
+    if ( ! document.hidden )
+    {
+      HashScroll._doScrollOnce();
+    }
+  }
+}
diff --git a/browser/dom/page-features/features/ToggleClass.ts b/browser/dom/page-features/features/ToggleClass.ts
new file mode 100644
index 0000000..fcfdb54
--- /dev/null
+++ b/browser/dom/page-features/features/ToggleClass.ts
@@ -0,0 +1,64 @@
+import { ClassFlag } from "../../ClassFlag";
+import { ElementAttribute } from "../../ElementAttribute";
+import { OnClick } from "../../EventListeners";
+
+export class ToggleClass
+{
+  static readonly attribute = new ElementAttribute( "-toggle--class" );
+  static readonly assignedAttribute = new ElementAttribute( "-toggle--class--assigned" );
+  static readonly blockDurationMS = 500;
+
+  static applyOnDocument()
+  {
+    console.log( "APPLY" );
+    ToggleClass.attribute.forEachInDoc( ( e ) => ToggleClass.applyOnElement( e ) );
+  }
+
+  static applyOnElement( element:Element )
+  { 
+    console.log( "APPLY", element );
+
+    if ( ToggleClass.assignedAttribute.in( element ) )
+    {
+      return;
+    }
+
+    ToggleClass.assignedAttribute.to( element, "0" );
+
+    let action = ()=>
+    {
+      let now = new Date().getTime();
+      let time = parseFloat( ToggleClass.assignedAttribute.from( element ) );
+      let elapsed = now - time;
+
+      if ( elapsed < ToggleClass.blockDurationMS )
+      {
+        return;
+      }
+
+      ToggleClass.assignedAttribute.to( element, now + "");
+
+      let parameters = ToggleClass.attribute.from( element ).split( ";" );
+      let selector = parameters[ 0 ];
+      let className = parameters[ 1 ];
+
+
+      let selectedElements = document.querySelectorAll( selector );      
+
+      selectedElements.forEach(
+        ( selectedElement )=>
+        {
+          console.log( selector, selectedElement );
+          ClassFlag.toggleClass( selectedElement, className );
+        }
+      )
+    
+      
+    }
+
+    OnClick.add( element as HTMLElement, action );
+
+
+  }
+
+}
\ No newline at end of file
diff --git a/browser/dom/page-features/features/VideoAutoPlay.ts b/browser/dom/page-features/features/VideoAutoPlay.ts
new file mode 100644
index 0000000..09c5f24
--- /dev/null
+++ b/browser/dom/page-features/features/VideoAutoPlay.ts
@@ -0,0 +1,44 @@
+import { ElementAttribute } from "../../ElementAttribute";
+import { ElementType } from "../../ElementType";
+import { OnMouseDown, OnTouchStart } from "../../EventListeners";
+
+export class VideoAutoPlay
+{
+  static applyOnDocument()
+  {   
+    let startAutoPlayVideos = ()=>
+    {
+      ElementType.video.forEachInDoc(
+        async ( v )=>
+        {
+          if ( ! ElementAttribute.autoplay.in( v ) )
+          {
+            return;
+          }
+
+          if ( ! v.paused )
+          {
+            return;
+          }
+
+          try
+          { 
+            await v.play();
+          }
+          catch ( e )
+          {
+            
+          }
+          
+        }
+      );
+
+      OnMouseDown.remove( document.body, startAutoPlayVideos );
+      OnTouchStart.remove( document.body, startAutoPlayVideos );
+    };
+
+
+    OnMouseDown.add( document.body, startAutoPlayVideos );
+    OnTouchStart.add( document.body, startAutoPlayVideos );
+  }
+} 
\ No newline at end of file
diff --git a/browser/dom/page-features/features/VideoSpeedAttribute.ts b/browser/dom/page-features/features/VideoSpeedAttribute.ts
new file mode 100644
index 0000000..056d412
--- /dev/null
+++ b/browser/dom/page-features/features/VideoSpeedAttribute.ts
@@ -0,0 +1,21 @@
+import { ElementAttribute } from "../../ElementAttribute";
+import { ElementType } from "../../ElementType";
+import { OnMouseDown, OnTouchStart } from "../../EventListeners";
+
+export class VideoSpeedAttribute
+{
+  static readonly attribute = new ElementAttribute( "video-speed" );
+
+  static applyOnDocument()
+  {       
+    VideoSpeedAttribute.attribute.forEachInDoc(
+      ( e )=>
+      {
+        let video = e  as HTMLVideoElement;
+        
+        let speed = VideoSpeedAttribute.attribute.asNumberFrom( e );
+        video.playbackRate = speed;
+      }
+    );
+  }
+} 
\ No newline at end of file
diff --git a/browser/geometry/Box2.ts b/browser/geometry/Box2.ts
index 578d684..0a25813 100644
--- a/browser/geometry/Box2.ts
+++ b/browser/geometry/Box2.ts
@@ -6,10 +6,18 @@ export class Box2
   min:Vector2;
   max:Vector2;
 
-  constructor( min:Vector2 = null, max:Vector2 = null )
+  static create( min:Vector2, max:Vector2 ):Box2
   {
-    this.min = min;
-    this.max = max;
+    let box = new Box2();
+    box.min = min;
+    box.max = max;
+
+    return box;
+  }
+
+  static polar( value:number ):Box2
+  {
+    return this.create( new Vector2( -value, -value ), new Vector2( value, value ) );
   }
 
   
@@ -50,7 +58,7 @@ export class Box2
     let min = new Vector2( clientRect.left, clientRect.top );
     let max = new Vector2( clientRect.right, clientRect.bottom );
     
-    return new Box2( min, max );
+    return Box2.create( min, max );
   }
 
 
diff --git a/browser/geometry/Vector2.ts b/browser/geometry/Vector2.ts
index 41e1977..605d8d3 100644
--- a/browser/geometry/Vector2.ts
+++ b/browser/geometry/Vector2.ts
@@ -1,3 +1,5 @@
+import { MathX } from "../math/MathX";
+
 export class Vector2
 {
   x:number = 0;
@@ -49,4 +51,10 @@ export class Vector2
     return Math.sqrt( this.x * this.x + this.y * this.y );
   }
 
+  clampPolar( x:number, y:number)
+  {
+    this.x = MathX.clamp( this.x, -x, x );
+    this.y = MathX.clamp( this.y, -y, y );
+  }
+
 }
\ No newline at end of file
diff --git a/browser/graphs/TreeWalker.ts b/browser/graphs/TreeWalker.ts
index ffe0982..74e5cca 100644
--- a/browser/graphs/TreeWalker.ts
+++ b/browser/graphs/TreeWalker.ts
@@ -93,6 +93,25 @@ export abstract class TreeWalker<N>
 		let num = this.numChildren( node );
 		return num <= 0?null:this.childAt( node, num-1 );
 	}
+
+  getAll( node:N, selector:( n:N )=> boolean )
+  {
+    let output:N[] = [];
+    
+    for ( let i = 0; i < this.numChildren( node ); i++ )
+    {
+      let n = this.childAt( node, i );
+
+      if ( ! selector( n ) )
+      {
+        continue;
+      }
+
+      output.push( n );
+    }
+
+    return output;
+  }
   
   forAll( node:N, callback:( node:N ) => void )
   {
diff --git a/browser/templates/built-in/break--space.html b/browser/templates/built-in/break--space.html
new file mode 100644
index 0000000..0e930dc
--- /dev/null
+++ b/browser/templates/built-in/break--space.html
@@ -0,0 +1,10 @@
+<style>
+
+  break--space
+  {
+    display: block;
+    height: 1em;
+  }  
+  
+</style>
+  
\ No newline at end of file
diff --git a/browser/templates/built-in/column--break.html b/browser/templates/built-in/column--break.html
new file mode 100644
index 0000000..25cb66f
--- /dev/null
+++ b/browser/templates/built-in/column--break.html
@@ -0,0 +1,10 @@
+<style>
+
+  column--break,
+  .column--break 
+  {
+    break-before: column;
+  }
+    
+</style>
+  
\ No newline at end of file
diff --git a/browser/templates/built-in/landscape--only.html b/browser/templates/built-in/landscape--only.html
new file mode 100644
index 0000000..4dca5a1
--- /dev/null
+++ b/browser/templates/built-in/landscape--only.html
@@ -0,0 +1,13 @@
+<style>
+
+  @media ( orientation: portrait ) 
+  {
+    .landscape--only,
+    landscape--only
+    {
+      display:none;
+    } 
+  }
+  
+  </style>
+  
\ No newline at end of file
diff --git a/browser/templates/built-in/portrait--only.html b/browser/templates/built-in/portrait--only.html
new file mode 100644
index 0000000..89fcc83
--- /dev/null
+++ b/browser/templates/built-in/portrait--only.html
@@ -0,0 +1,12 @@
+<style>
+
+  @media ( orientation: landscape ) 
+  { 
+    .portrait--only,
+    portrait--only
+    {
+      display:none;
+    } 
+  }
+
+</style>
diff --git a/browser/templates/styles-processor/StylesProcessorLexer.ts b/browser/templates/styles-processor/StylesProcessorLexer.ts
index 4c093c6..3d3f813 100644
--- a/browser/templates/styles-processor/StylesProcessorLexer.ts
+++ b/browser/templates/styles-processor/StylesProcessorLexer.ts
@@ -25,7 +25,7 @@ export class StylesProcessorLexer extends Lexer
 
   static readonly ROOT_ELEMENT_REPLACER:ROOT_ELEMENT_REPLACER = "ROOT_ELEMENT_REPLACER";
   static readonly ROOT_ELEMENT_REPLACER_MATCHER = 
-      new LexerMatcher( StylesProcessorLexer.ROOT_ELEMENT_REPLACER,  /\[_?\]/ ); 
+      new LexerMatcher( StylesProcessorLexer.ROOT_ELEMENT_REPLACER,  /#_/ ); 
   constructor()
   {
     super();
diff --git a/browser/text/RegExpUtitlity.ts b/browser/text/RegExpUtitlity.ts
index 9ab9008..ed5f19b 100644
--- a/browser/text/RegExpUtitlity.ts
+++ b/browser/text/RegExpUtitlity.ts
@@ -826,6 +826,12 @@ export class RegExpUtility
     return new RegExp( source );
   }
 
+  static createClassMatcher( source:string )
+  {
+    source = "(^|\\s)" + RegExpUtility.toRegexSource( source ) + "(\\s|$)";
+    return new RegExp( source );
+  }
+
   static createMatcher( source:string )
   {
     return new RegExp( RegExpUtility.toRegexSource( source ) );
diff --git a/node/webpack/TemplatesIndexBuilder.ts b/node/webpack/TemplatesIndexBuilder.ts
index 03895f8..71407f5 100644
--- a/node/webpack/TemplatesIndexBuilder.ts
+++ b/node/webpack/TemplatesIndexBuilder.ts
@@ -12,12 +12,12 @@ export class TemplatesInfo
 
 export class TemplatesIndexBuilder
 {
-  inputDir:string;
+  inputDirectories:string[];
   outputDir:string;
 
-  constructor( source:string, build:string ) 
+  constructor( source:string[], build:string ) 
   {
-    this.inputDir = source; 
+    this.inputDirectories = source; 
     this.outputDir = build;
   }
 
@@ -37,26 +37,29 @@ export class TemplatesIndexBuilder
     compiler.hooks.afterCompile.tapAsync( "TemplatesIndexBuilder", 
       async ( compilation:any, callback:any ) => 
       {
-        await Files.forAllIn( this.inputDir, null, 
-          async ( p:PathReference ) =>
-          {
-            if ( await p.isDirectory() )
+        for ( let inputDirectory of this.inputDirectories )
+        {
+          await Files.forAllIn( inputDirectory, null, 
+            async ( p:PathReference ) =>
             {
+              if ( await p.isDirectory() )
+              {
+                return Promise.resolve();
+              }
+
+              let fileName = p.fileName;
+
+              if ( ! this.filterFiles( fileName ) )
+              { 
+                return Promise.resolve();
+              }
+
+              compilation.fileDependencies.add( p.absolutePath );
+
               return Promise.resolve();
             }
-
-            let fileName = p.fileName;
-
-            if ( ! this.filterFiles( fileName ) )
-            { 
-              return Promise.resolve();
-            }
-
-            compilation.fileDependencies.add( p.absolutePath );
-
-            return Promise.resolve();
-          }
-        );         
+          );         
+        }
 
         callback();
 
@@ -66,47 +69,52 @@ export class TemplatesIndexBuilder
     compiler.hooks.emit.tapAsync( "TemplatesIndexBuilder", 
       async ( compilation:any, callback:any ) => 
       {
-        let templates = new TemplatesInfo();        
-        let templatesPathReference = new PathReference( path.resolve( this.inputDir ) );
+        let templates = new TemplatesInfo();       
 
-        // RJLog.log( templatesPathReference.absolutePath );
+        for ( let inputDirectory of this.inputDirectories )
+        {
+          let templatesPathReference = new PathReference( path.resolve( inputDirectory ) );
 
-        await Files.forAllIn( templatesPathReference.absolutePath, null, 
-          async ( p:PathReference ) =>
-          {
-            if ( await p.isDirectory() )
+          // RJLog.log( templatesPathReference.absolutePath );
+
+          await Files.forAllIn( templatesPathReference.absolutePath, null, 
+            async ( p:PathReference ) =>
             {
+              if ( await p.isDirectory() )
+              {
+                return Promise.resolve();
+              }
+
+              let fileName = p.fileName;
+
+              if ( ! this.filterFiles( fileName ) )
+              { 
+                return Promise.resolve();
+              }
+
+              let absoluteFilePath = p.absolutePath;
+              let inputRelativePath = templatesPathReference.createRelativeFromAbsolute( absoluteFilePath, true );
+
+              // RJLog.log( "Abs to Rel", absoluteFilePath, inputRelativePath.relativePath );
+              let outputFileName = path.join( this.outputDir, inputRelativePath.relativePath );
+
+              templates.templates.push( inputRelativePath.relativePath );
+
+              let content = fs.readFileSync( p.absolutePath, "utf-8" );
+
+              // RJLog.log( "Adding", p.absolutePath, outputFileName );
+              compilation.assets[ outputFileName ] = 
+              {
+                source: () => content,
+                size: () => content.length,
+              };
+                
+
               return Promise.resolve();
             }
-
-            let fileName = p.fileName;
-
-            if ( ! this.filterFiles( fileName ) )
-            { 
-              return Promise.resolve();
-            }
-
-            let absoluteFilePath = p.absolutePath;
-            let inputRelativePath = templatesPathReference.createRelativeFromAbsolute( absoluteFilePath, true );
-
-            // RJLog.log( "Abs to Rel", absoluteFilePath, inputRelativePath.relativePath );
-            let outputFileName = path.join( this.outputDir, inputRelativePath.relativePath );
-
-            templates.templates.push( inputRelativePath.relativePath );
-
-            let content = fs.readFileSync( p.absolutePath, "utf-8" );
-
-            // RJLog.log( "Adding", p.absolutePath, outputFileName );
-            compilation.assets[ outputFileName ] = 
-            {
-              source: () => content,
-              size: () => content.length,
-            };
-              
-
-            return Promise.resolve();
-          }
-        );         
+          ); 
+        
+        }
 
         let templatesPath = path.join( this.outputDir, "index.json" );