style.css

/* Contact Form Container */
#cform {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #18bd9d; /* Change the Form Border */
    border-radius: 8px;
    background-color: #f9f9f9;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Success Message */
#cform p.success {
    color: #28a745;
    font-size: 16px;
    margin-bottom: 20px;
}

/* Form Elements */
#cform form {
    display: flex;
    flex-direction: column;
}

/* Form Field */
#cform input[type="text"],
#cform textarea,
#cform input[type="file"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

#cform textarea {
    resize: vertical;
}

/* Labels */
#cform label {
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
    display: block;
}

/* Submit Button */
#cform input[type="submit"] {
    background-color: #0073aa;
    color: #fff;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

#cform input[type="submit"]:hover {
    background-color: #005177;
}

/* File Input */
#cform input[type="file"] {
    padding: 0;
}

/* Error Messages */
#cform .error {
    color: #dc3545;
    font-size: 14px;
    margin-top: -10px;
    margin-bottom: 10px;
}

/* Additional Styles */
.contact-form {
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    #cform {
        padding: 15px;
    }
    
    #cform input[type="text"],
    #cform textarea {
        font-size: 14px;
    }

    #cform input[type="submit"] {
        font-size: 14px;
        padding: 10px 18px;
    }
}