body {
    box-sizing: border-box;
    background:black; margin: 0px;
    color: white;
    overflow: hidden;
    font-family: 'Roboto Mono', monospace;
    user-select: none;
}
x3d-canvas {
  padding: 0px;
  margin: 0px;
  width: 100vw;
  height: 100vh;
}

.hd-video-size {
  padding: 0px;
  margin: 10px;
  
  height:864px;
  width:1536px;
  
}