Copy this code and paste it in your HTML
<form action="" method="">
<input type="text" class="" value="" id="fname" name="cardholder_first_name"></div>
<input type="text" class="" value="" id="sname" name="cardholder_last_name"></div>
<input type="text" class="" value="" id="personal-email" name="cardholder_email"></div>
<input type="tel" class="" value="" id="phone-no" name="cardholder_phone_number"></div>
<select class="" name="dob_day">