body {
  margin: 0;
  font-family: sans-serif;
}

#canvas {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  height: 100vh;
}

#controls {
  position: fixed;
  right: 5px;
  top: 5px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  background-color: white;
  gap: 3px;
  padding: 3px;
  border-radius: 5px;
}