<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="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<section class=" ">
<div class="container">
<div class="row">
<div class="col-md-12 text-center ">
<nav class="nav-justified ">
<div class="nav nav-tabs " id="nav-tab" role="tablist">
<a class="nav-item nav-link active" id="pop1-tab" data-toggle="tab" href="#pop1" role="tab" aria-controls="pop1" aria-selected="true">Popular Cars</a>
<a class="nav-item nav-link" id="pop2-tab" data-toggle="tab" href="#pop2" role="tab" aria-controls="pop2" aria-selected="false">Upcoming</a>
<a class="nav-item nav-link" id="pop3-tab" data-toggle="tab" href="#pop3" role="tab" aria-controls="pop3" aria-selected="false">Newly Launched</a>
</div>
</nav>
<div class="tab-content" id="nav-tabContent">
<div class="tab-pane fade show active" id="pop1" role="tabpanel" aria-labelledby="pop1-tab">
<div class="pt-3"></div>
<p>1. There's another way to do this for layouts that doesn't have to put the navbar inside the container, and which doesn't require any CSS or Bootstrap overrides.
Simply place a div with the Bootstrap container class around the navbar. This will center the links inside the navbar:</p>
</div>
<div class="tab-pane fade" id="pop2" role="tabpanel" aria-labelledby="pop2-tab">
<div class="pt-3"></div>
<p>2. There's another way to do this for layouts that doesn't have to put the navbar inside the container, and which doesn't require any CSS or Bootstrap overrides.
Simply place a div with the Bootstrap container class around the navbar. This will center the links inside the navbar:
</div>
<div class="tab-pane fade" id="pop3" role="tabpanel" aria-labelledby="pop3-tab">
<div class="pt-3"></div>
<p>3. There's another way to do this for layouts that doesn't have to put the navbar inside the container, and which doesn't require any CSS or Bootstrap overrides.
Simply place a div with the Bootstrap container class around the navbar. This will center the links inside the navbar:
</div>
</div>
</div>
</div>
</div>
</section>