.success-container {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            text-align: center;
            background-color: #f9f9f9;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .success-icon {
            font-size: 64px;
            color: #4CAF50;
            margin-bottom: 20px;
        }
        
        .btn {
            display: inline-block;
            padding: 10px 20px;
            margin-top: 20px;
            background-color: #ADDFB3;
            color: #333;
            text-decoration: none;
            border-radius: 4px;
            font-weight: bold;
        }
        
        .btn:hover {
            background-color: #9AD0A0;
        }