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

body {
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.2);
}

/* Target Safari browser */
@supports (-webkit-touch-callout: none) {
  body {
    background-color: black;
  }
}

canvas {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  display: block;
}