#xe-bao-gia-form {
    background: #fff;
    padding: 20px;
    max-width: 500px;
}
#xe-bao-gia-form .row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}
button {
    background: red;
    color: #fff;
    padding: 12px;
    border: none;
    width: 100%;
}