My prefered technique :
body {
display: table;
position: absolute;
height: 100%;
width: 100%;
}
.jumbotron {
display: table-cell;
vertical-align: middle;
}
body {_x000D_
display: table;_x000D_
position: absolute;_x000D_
height: 100%;_x000D_
width: 100%;_x000D_
}_x000D_
_x000D_
.jumbotron {_x000D_
display: table-cell;_x000D_
vertical-align: middle;_x000D_
}
_x000D_
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">_x000D_
<div class="jumbotron vertical-center">_x000D_
<div class="container text-center">_x000D_
<h1>The easiest and powerful way</h1>_x000D_
<div class="row">_x000D_
<div class="col-md-7">_x000D_
<div class="top-bg">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</div>_x000D_
</div>_x000D_
_x000D_
<div class="col-md-5 iPhone-features">_x000D_
<ul class="top-features">_x000D_
<li>_x000D_
<span><i class="fa fa-random simple_bg top-features-bg"></i></span>_x000D_
<p><strong>Redirect</strong><br>Visitors where they converts more.</p>_x000D_
</li>_x000D_
<li>_x000D_
<span><i class="fa fa-cogs simple_bg top-features-bg"></i></span>_x000D_
<p><strong>Track</strong><br>Views, Clicks and Conversions.</p>_x000D_
</li>_x000D_
<li>_x000D_
<span><i class="fa fa-check simple_bg top-features-bg"></i></span>_x000D_
<p><strong>Check</strong><br>Constantly the status of your links.</p>_x000D_
</li>_x000D_
<li>_x000D_
<span><i class="fa fa-users simple_bg top-features-bg"></i></span>_x000D_
<p><strong>Collaborate</strong><br>With Customers, Partners and Co-Workers.</p>_x000D_
</li>_x000D_
<a href="pricing-and-signup.html" class="btn-primary btn h2 lightBlue get-Started-btn">GET STARTED</a>_x000D_
<h6 class="get-Started-sub-btn">FREE VERSION AVAILABLE!</h6>_x000D_
</ul>_x000D_
</div>_x000D_
</div>_x000D_
</div>_x000D_
</div>
_x000D_
See also this Fiddle!