body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 50px auto;
            padding: 20px;
            background-color: #f4f4f4;
        }
        .form-container {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #333;
        }
        input[type="text"], textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
            font-size: 14px;
        }
        textarea {
            resize: vertical;
            min-height: 100px;
        }
        button {
            background-color: rgb(95, 158, 160);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            width: 100%;
        }
        button:hover {
            background-color: rgb(255, 0, 0);
        }
        .error {
            color: #d32f2f;
            font-size: 14px;
            margin-top: 5px;
        }
        .success {
            color: #388e3c;
            font-size: 14px;
            margin-top: 5px;
        }