body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 600px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

h1 {
    text-align: center;
    color: #444;
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

input[type="submit"] {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
}

input[type="submit"]:hover {
    background: #0056b3;
    cursor: pointer;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
}