<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="modal fade " id="pc_modal" tabindex="-1" role="dialog" aria-labelledby="responseModalLabel">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span class="fa fa-close" aria-hidden="true"></span> Close</button>
<h4 class="modal-title" id="responseModalLabel"></h4>
</div>
<div class="modal-body">
<div class="row">
<div class="col-md-12">
<div class="row">
<div class="col-md-12">
<div class="card">
<ul class="nav nav-tabs" role="tablist">
<li role="presentation" class="active"><a href="#home" aria-controls="home" role="tab" data-toggle="tab">Footage</a></li>
<li role="presentation"><a href="#profile" aria-controls="profile" role="tab" data-toggle="tab">People Counting</a></li>
<li role="presentation"><a href="#messages" aria-controls="messages" role="tab" data-toggle="tab"></a></li>
<li role="presentation"><a href="#settings" aria-controls="settings" role="tab" data-toggle="tab">Settings</a></li>
</ul>
<div class="tab-content">
<div role="tabpanel" class="tab-pane active" id="home"> <div class="row">
<div class="col-sm-3 nopadding">
<div class="embed-responsive embed-responsive-16by9">
<iframe width="560" height="315" src="//www.youtube.com/embed/Nvs5pqf-DMA" allowfullscreen></iframe>
</div>
</div>
<div class="col-sm-3 nopadding">
<div class="embed-responsive embed-responsive-16by9">
<iframe width="560" height="315" src="//www.youtube.com/embed/k3jt5ibfRzw" allowfullscreen></iframe>