canvas funk
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9 changed files with 160 additions and 23 deletions
90
_includes/canvasfunk.html
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90
_includes/canvasfunk.html
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<script type="text/javascript">
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//////////////////////////////////////////////////////////////////////////////////
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// A demonstration of a Canvas nebula effect
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// (c) 2010 by R Cecco. <http://www.professorcloud.com>
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// MIT License
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//
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// Please retain this copyright header in all versions of the software if
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// using significant parts of it
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//////////////////////////////////////////////////////////////////////////////////
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$(document).ready(function(){
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// shim layer with setTimeout fallback
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window.requestAnimFrame = (function(){
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return window.requestAnimationFrame ||
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window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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function( callback ){
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window.setTimeout(callback, 1000 / 60);
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};
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})();
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(function ($) {
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// The canvas element we are drawing into.
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var $canvas = $('#canvas');
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var $canvas2 = $('#canvas2');
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var $canvas3 = $('#canvas3');
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var ctx2 = $canvas2[0].getContext('2d');
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var ctx = $canvas[0].getContext('2d');
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var w = $canvas[0].width, h = $canvas[0].height;
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var w = window.innerWidth, h = window.innerHeight;
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var img = new Image();
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// A puff.
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var Puff = function(p) {
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// var amtX = (window.innerWidth / 2);
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// var amtY = (window.innerHeight / 2);
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var opacity,
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sy = (Math.random()*285)>>0,
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sx = (Math.random()*285)>>0;
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this.p = p;
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this.move = function(timeFac) {
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p = this.p + 0.3 * timeFac;
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opacity = (Math.sin(p*0.05)*0.5);
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if(opacity <0) {
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p = opacity = 0;
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sy = (Math.random()*285)>>0;
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sx = (Math.random()*285)>>0;
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}
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this.p = p;
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ctx.globalAlpha = opacity;
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ctx.drawImage($canvas3[0], sy+p, sy+p, 285-(p*2),285-(p*2), 0,0, w, h);
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};
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};
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var puffs = [];
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var sortPuff = function(p1,p2) { return p1.p-p2.p; };
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puffs.push( new Puff(0) );
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puffs.push( new Puff(20) );
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puffs.push( new Puff(40) );
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var newTime, oldTime = 0, timeFac;
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var loop = function() {
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newTime = new Date().getTime();
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if(oldTime === 0 ) {
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oldTime=newTime;
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}
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timeFac = (newTime-oldTime) * 0.1;
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if(timeFac>3) {timeFac=3;}
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oldTime = newTime;
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puffs.sort(sortPuff);
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for(var i=0;i<puffs.length;i++)
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{
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puffs[i].move(timeFac/7.5);
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}
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ctx2.drawImage( $canvas[0] ,0,0, 570,570);
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requestAnimFrame(loop);
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};
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// Turns out Chrome is much faster doing bitmap work if the bitmap is in an existing canvas rather
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// than an IMG, VIDEO etc. So draw the big nebula image into canvas3
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var $canvas3 = $('#canvas3');
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var ctx3 = $canvas3[0].getContext('2d');
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$(img).bind('load',null, function() { ctx3.drawImage(img, 0,0, 570,570); loop(); });
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img.src = '{{ site.baseurl }}/assets/img/nebula.jpg';
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})(jQuery);
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});
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</script>
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@ -1,5 +1,8 @@
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<!-- BEGIN header.html -->
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<div id="header">
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<canvas style="display:none" id="canvas" width="285" height="285"></canvas>
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<canvas style="display:none" id="canvas3" width="570" height="570"></canvas>
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<canvas id="canvas2" width="570" height="570">*** THIS BROWSER DOES NOT SUPPORT THE CANVAS ELEMENT ***</canvas>
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<div class="hero">
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<a href="/">
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<h1>{{ site.title }}</h1>
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@ -1,17 +1,25 @@
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<!-- BEGIN hero.html -->
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<div id="banner">
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<canvas style="display:none" id="canvas" width="285" height="285"></canvas>
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<canvas style="display:none" id="canvas3" width="570" height="570"></canvas>
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<canvas id="canvas2" width="570" height="570">*** THIS BROWSER DOES NOT SUPPORT THE CANVAS ELEMENT ***</canvas>
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<div class="hero">
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<h1>{{ site.title }}</h1>
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<div id="poster" class="column">
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{% for event in events limit: 1 %}
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{% for event in site.events limit: 1 %}
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<div>
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<img src="{{ event.image }}" />
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</div>
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<div>
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<h2>{{ event.title }}</h2>
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<h3>{{ event.start_date }} till {{ event.end_date }}</h3>
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<p>{{ event.description }}</p>
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<p>{{ event.category }}</p>
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</div>
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{% endfor %}
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</div>
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<h1>{{ site.title }}</h1>
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</div>
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</div>
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<!-- END hero.html -->
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@ -2,6 +2,7 @@
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<title>{{ page.title }} | {{ site.title }}</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
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<link rel="stylesheet" href="/assets/css/style.css" type="text/css" />
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<link rel="stylesheet" href="/assets/css/fonts.css" type="text/css" />
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<link rel="shortcut icon" href="{{ site.url }}{{ site.logo }}" type="image/png" />
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<link rel="alternate" type="application/rss+xml" href="{{ site.url }}/rss.xml" />
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<!-- Standard SEO -->
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@ -55,3 +56,5 @@
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<!-- Domain verification -->
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<!-- Identity -->
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<!-- END metahead.html -->
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<script src="/assets/js/jquery-3.3.1.min.js"></script>
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{% include canvasfunk.html %}
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12
_sass/fonts.scss
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12
_sass/fonts.scss
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@font-face {
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font-family: avant;
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src: url('../fonts/free_avantgarde.woff');
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}
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@font-face {
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font-family: avantB;
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src: url('../fonts/free_avantgardeBOLD.woff');
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}
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@font-face {
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font-family: oldlondon;
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src: url('../fonts/OldLondon.ttf');
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}
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/*! sakrecoer sheet */
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@font-face {
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font-family: avant;
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src: url('../fonts/free_avantgarde.woff');
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}
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@font-face {
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font-family: avantB;
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src: url('../fonts/free_avantgardeBOLD.woff');
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}
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html,
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body {
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width: 100%;
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@ -93,8 +86,7 @@ a:active {
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display: flex;
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width: 100%;
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height: 100vh;
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background: linear-gradient(0deg, rgba(31, 31, 31, 0.5), rgba(224, 224, 224, 0.5));
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background-size: 800% 800%;
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background: transparent;
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-webkit-animation: AnimationName 29s ease infinite;
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-moz-animation: AnimationName 29s ease infinite;
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@ -186,6 +178,7 @@ a:active {
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display: flex;
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flex-wrap: wrap;
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overflow-x: hidden;
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background-color: #fff;
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}
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.column {
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flex: 1 1 300px;
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/////////
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#poster {
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width: 90vw;
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margin-right: auto !important; }
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margin-right: auto !important;
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display: flex;
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flex-wrap: wrap;
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div {
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flex: 1 1 300px;
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}
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h1, h2, h3, h4 {
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font-family: oldlondon, Helvetica, Arial, sans-serif;
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text-transform: lowercase;
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}
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}
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#poster img {
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margin-top: 5px;
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border-radius: 3px;
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border-radius: 5px;
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-moz-border-radius-topright: 9px;
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-moz-border-radius-bottomright: 9px;
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-webkit-border-top-right-radius: 9px;
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-webkit-border-bottom-right-radius: 9px;
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float: left;
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padding-right: 5px;
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width: 50vw;
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width: 100%;
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min-width: 200px;
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}
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canvas {
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overflow-x: hidden;
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position: fixed;
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top:0;
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left:0;
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height:100%;
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width:100%;
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z-index: -1;
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}
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BIN
assets/img/nebula.jpg
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assets/img/nebula.jpg
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After Width: | Height: | Size: 51 KiB |
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assets/js/jquery-3.3.1.min.js
vendored
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2
assets/js/jquery-3.3.1.min.js
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