body {
        font-family: 'Arial', sans-serif;
        background-color: #f4f4f4;
        margin: 0;
        padding: 0;
      }

      #container {
        max-width: 800px;
        margin: 20px auto;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        border-radius: 5px;
      }

      h1 {
        color: #333;
        text-align: center;
      }

      div.subtitle {
        margin-bottom: 20px;
        color: #555;
      }

      #connect-container {
        text-align: center;
      }

      fieldset {
        border: 1px solid #ddd;
        border-radius: 5px;
        padding: 15px;
        margin: 10px;
      }

      legend {
        font-size: 1.2em;
        color: #333;
      }

      input[type="button"] {
        padding: 10px 20px;
        background-color: #4caf50;
        color: #fff;
        border: none;
        border-radius: 3px;
        cursor: pointer;
        font-size: 16px;
      }

      input[type="button"]:hover {
        background-color: #45a049;
      }

      input[type="text"] {
        padding: 10px;
        width: 60%;
        border: 1px solid #ddd;
        border-radius: 3px;
        box-sizing: border-box;
        font-size: 16px;
      }

      #currentstatus {
        font-weight: bold;
        color: #333;
      }

      #hellomessage {
        display: block;
        margin-top: 10px;
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 3px;
        font-size: 16px;
      }

      .success {
        color: #4caf50;
      }

      .error {
        color: #f44336;
      }