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

body {
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: 'Courier New', monospace;
  overflow: hidden;
}

#wrapper {
  position: relative;
  box-shadow:
    0 0 40px rgba(88, 166, 255, 0.15),
    0 0 80px rgba(248, 81, 73, 0.10);
}

canvas { display: block; background: #000; }