canvas {
  position: fixed;
  left: 0px;
  top: 0px;
}

body {
  background-color: 000000;
}

.glslCanvas {
    width: 100vw;
    height: 100vh;
}

.p5Canvas {
/*  left:  200px;
  top:  100px;*/
/*  width: calc(100vw - 400px);*/
}