     box-sizing: border-box;
    }

    html {
      color-scheme: dark;
    }

    body {
      min-height: 100vh;
      padding: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #18191C;
      color: #FFFFFF;
      font-family: "Roboto", sans-serif;
    }

    @media (max-width: 768px) {
      body {
        padding: 30px;
      }
    }

    hgroup {
      display: flex;
      flex-direction: column;
      gap: 15px;
      text-align: center;

  