form {
    margin: 20px 0;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
}
input, textarea {
    display: block;
    margin-bottom: 10px;
    padding: 10px;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 5px;
}
input[type="submit"] {
    background-color: #0073aa;
    color: white;
    cursor: pointer;
}