* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: black;
  overflow-x: hidden;
  overflow-y: scroll;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.scroll-container {
  height: 200vh;
}