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

body {
  background: #000012;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem 1rem;
}

canvas {
  display: block;
  border-radius: 10px;
  max-width: 100%;
  image-rendering: pixelated;
}