Centering a column within a row in boostrap, ...
<div class="container">
<div class="row">
<div class="col-md-6 col-md-offset-3">
</div>
</div>
</div>
12 - (column width) / 2 = offset
div
container.text-center
to center text within a container element<div class="text-center">
<p>Hi</p>
...
</div>