<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="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<script defer src="https://use.fontawesome.com/releases/v5.0.6/js/all.js"></script>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Project name</a>
</div>
<div id="navbar" class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#about">About</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
</div>
<!--/.nav-collapse -->
</div>
</nav>
<div class="container">
<h1>Hello World !</h1>
<p class="text-right">
<a href="http://bootsnipp.com/iframe/prENG" target="_blank">Best viewed full screen</a><br>
<a href="http://validator.w3.org/check?uri=http%3A%2F%2Fbootsnipp.com%2Fiframe%2FprENG" target="_blank"><small>HTML</small><sup>5</sup></a>
</p>
<!--Youtube Video -->
<div class="embed-responsive embed-responsive-16by9">
<iframe class="embed-responsive-item" src="//www.youtube.com/embed/RlNhD0oS5pk"></iframe></div>
</div>
<!--Example row of columns -->
<div class="row">
<div class="col-md-4">
<h2>About me</h2>
<img src="http://100-pics.net/images/answers/en/movieheroes/movieheroes_30145_618109.jpeg" class="img-circle img-responsive" alt="Shrek">
<p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div>
<div class="col-md-4">
<h2>Heading</h2>
<i class="fa fa-graduation-cap fa-5x" aria-hidden="true"></i>
<i class="fas fa-chess fa-5x"></i>
<p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div>
<div class="col-md-4">
<h2>Heading</h2>
<p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
<p><a class="btn btn-default" href="#" role="button">View details »</a></p>
</div>
</div>
body {
/* for nav bar*/
margin-top: 50px;
}
h1 {
color: #f00;
}
img {
padding: 50px;
}