html, body {
      height: 100%;
      margin: 0;
      padding: 0;
      font-family: Arial, sans-serif;
    }

    body {
      background-size: cover;
      background-repeat: no-repeat;
      background-position: center;
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
    }

    #content {
      background: rgba(0, 0, 0, 0.5); /* thoda dark transparent background */
      padding: 30px;
      border-radius: 10px;
      color: white;
      max-width: 600px;
    }