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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #07040e;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  background:
    radial-gradient(circle at 50% 42%, #1b0f33 0%, #0a0516 55%, #050209 100%);
}

#stage {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: block;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  border-radius: 4px;
  box-shadow: 0 0 60px rgba(90, 40, 160, 0.35);
}