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

body {
  background: #06060f;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
}

#wrapper {
  border: 2px solid #1a3a5c;
  box-shadow:
    0 0 20px rgba(79, 195, 247, 0.4),
    0 0 60px rgba(79, 195, 247, 0.1);
}

canvas {
  display: block;
  background: #080814;
  cursor: pointer;
  user-select: none;
}