     padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .header {
            text-align: center;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 20px;
        }
        .header h1 {
            color: #2c3e50;
            margin: 0;
        }
        .content {
            margin-bottom: 30px;
        }
        .button {
            display: inline-block;
            padding: 12px 24px;
