body {
     margin: 0 auto;
     font: 14px/19px 'Lucida Grande', sans-serif;
     background-color: white;
 }
 #container {
    position: relative;
    display: block;
    width: 100vw;
    height: 100vh;
}
 #canvas {
     position: fixed;
     display: inline-block;
 }
canvas:not(#glcanvas){
display:none !important;
}