.wpbc_booking_form_structure.wpbc_form_center .wpbc_structure_calendar, .wpbc_booking_form_structure.wpbc_form_center .wpbc_structure_form {
margin: 1px 20px;
width: 500px;
}

.wpbc_structure_form {
padding-left: 30px;
}

div.wpforms-container-full, div.wpforms-container-full .wpforms-form * {
width: 500px;

}