/*
@import url("https://webgl2fundamentals.org/webgl/resources/webgl-tutorials.css");
*/
body {
  margin: 0;
  background-image: url('finished_3.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}
canvas {
  width: 100vw;
  /*
  height: 100vh;
  display: block;
  */
}