html, body {
      margin: 0;
      padding: 0;
      background: #000;
      color: #0f0;
      font-family: 'Hack', monospace;
      height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      overflow: hidden;
    }

    #binary {
      font-size: 2rem;
      letter-spacing: 0.9rem;
    }

    footer {
      position: absolute;
      bottom: 10px;
      font-size: 0.9rem;
      color: #888;
    }