body {
      background-color: #000;
      color: #fff;
      font-family: "Orbitron", Arial, sans-serif;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
      text-align: center;
    }

    h1 {
      font-size: 2rem;
      margin-bottom: 15px;
      color: #fff;
    }

    .relogio {
      font-size: 5rem;
      font-weight: bold;
      letter-spacing: 4px;
    }

    .data {
      font-size: 1.5rem;
      margin-top: 10px;
      opacity: 0.8;
    }