* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000000;
}

body {
  display: grid;
  place-items: start;
}

canvas {
  display: block;
  outline: none;
  background: #000000;
}