body {
  margin: 0;
  padding: 0;
}

.bouncy {
  z-index: 1000;
  user-select: none;
  transform-origin: top left;
  position: absolute;
  display: block;
  margin: 0;
  padding: 1vw;
  border: 2px solid #007bff;
  background-color: #eee;
  text-align: center;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
}

.bouncy * {
  z-index: -1;
  user-select: none;
  border-radius: inherit;
  height: 100%;
  width: 100%;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}