container width */
            height: auto;     /* Maintain the aspect ratio */
            display: block;
            margin: 20px auto;
        }
        button {
            background-color: #4CAF50;
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 18px;
        }
        button:hover {
            background-color: #45a049;
        }
        .user-card-button {
            display: i