body {
    background-color: #000000;
    margin: 0;
    overflow: hidden;
    font-size: 0;
  }
  body section {
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    width: 100vw;
    height: 100vh;
    font-weight: 700;
  }
  body section canvas {
    width: 100vw;
    height: 100vh;
  }