body,html{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background-color:#000;background:radial-gradient(circle at center,#1a1a1a,#000)}body:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;opacity:.02;background-image:url(../noise.png);background-repeat:repeat}canvas{display:block;width:100%;height:100%}