html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #251b2f;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#wrap {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 12%, rgba(255, 214, 231, 0.22), transparent 30%),
    radial-gradient(circle at 80% 88%, rgba(255, 196, 77, 0.16), transparent 34%),
    linear-gradient(180deg, #2f2140 0%, #20162a 100%);
}

canvas {
  display: block;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  background: #fff3df;
}