* {
  box-sizing: border-box;
}

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

body {
  background: black;
}

#display {
  width: 100%;
  height: 100%;
}

#canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#canvas:active {
  cursor: grabbing;
}