form {
    max-width: 600px;
    margin: auto;
}

form input, form select, form textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 14px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 8px;
}