            background-color: #3498db;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: bold;
        }
        .button:hover {
            background-color: #2980b9;
        }
        .footer {
            text-align: center;
            font-size: 12px;
            color: #7f8c8d;
            border-top: 1px solid #eee;
            padding-top: 20px;
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <div class="cont