<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="row mb-4">
<div class="col-12 text-center pt-3">
<h1>Bootstrap Credit Card Template</h1>
<p>This is a basic bootstrap sorce code for make bootstrap credit card form</p>
<h4>You like this snippet ? click like button</h4>
</div>
</div>
<div class="row justify-content-md-center mb-4">
<div class="col-md-6">
<form class="" id="payment-form">
<fieldset>
<div class="card">
<div class="card-body">
<div class='form-row'>
<div class='col-12 form-group required'>
<input
type="text"
class="form-control"
id="card-number"
name="card-number"
placeholder="Card Number"
required
autofocus=""
maxlength="16"
style="font-size: 18px;min-width: 240px;"
>
</div>
</div>
<div class='form-row'>
