html, body {
  margin: 0;
  padding: 0;
  background: #020208;
  height: 100%;
  width: 100%;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  overscroll-behavior: none;
}
canvas {
  height: 100vh;
  height: 100dvh;
  width: auto;
  max-width: 100vw;
  background: #050510;
  box-shadow: 0 0 60px rgba(0, 255, 255, 0.15);
  outline: none;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
canvas:focus-visible {
  box-shadow: 0 0 0 2px #19d7ff, 0 0 60px rgba(0, 255, 255, 0.28);
}
noscript {
  color: #8ffcff;
  font: 16px/1.6 "Courier New", monospace;
  padding: 2rem;
  text-align: center;
}