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

html {
  background: black;
}

#canvas {
  border: 1px solid white;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#controls {
  position: absolute;
  bottom: 0;
  padding: 1rem;
  display: flex;
  gap:0.25rem;
  width: 200px;
  left: 50%;
  transform: translateX(-50%);
}

button{
    padding: 0.5rem;
    flex-grow: 1;
}