body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

.container {
    width: 50%;
    margin: auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

form input[type="text"],
form input[type="email"],
form input[type="tel"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form input[type="submit"] {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 15px;
    cursor: pointer;
}

form input[type="submit"]:hover {
    background-color: #2ecc71;
}