body {
                font-family: Arial, sans-serif;
                background-color: #f4f4f4;
                margin: 0;
                padding: 0;
            }
            
            .container {
                max-width: 500px;
                margin: 50px auto;
                padding: 20px;
                background-color: #fff;
                box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            }
            
            h1 {
                font-size: 24px;
                margin-bottom: 20px;
            }
            
            label {
                display: block;
                margin-top: 20px;
            }
            
            input[type="text"], textarea {
                width: 100%;
                padding: 10px;
                margin-top: 5px;
                border: 1px solid #ddd;
                border-radius: 3px;
            }
            
            input[type="submit"] {
                background-color: #4CAF50;
                color: white;
                padding: 10px 20px;
                border: none;
                margin-top: 20px;
                cursor: pointer;
                border-radius: 3px;
            }
            
            input[type="submit"]:hover {
                background-color: #45a049;
            }