<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<div class="col-md-12">
<div id="accordion" class="checkout">
<div class="panel checkout-step">
<div> <span class="checkout-step-number">1</span>
<h4 class="checkout-step-title"> <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" > Phone Number Verification</a></h4>
</div>
<div id="collapseOne" class="collapse in">
<div class="checkout-step-body">
<p>We need your phone number so that we can update you about your order.</p>
<div class="row">
<div class="col-lg-8">
<div class="checkout-login">
<form>
<div class="login-phone">
<input type="text" class="form-control" placeholder="Phone Number">
</div>
<a class="btn btn-default " role="button" data-toggle="collapse" href="#otp-verifaction" >Next</a>
</form>
</div>
</div>
</div>
<div class="collapse" id="otp-verifaction">
<div class="otp-verifaction">
<div class="row">
<div class="col-lg-8">
<div class="row">
<div class="form-group">