center columns in a container bootstrap code example
Example 1: bootstrap col center content
<div class="row">
<div class="col-4 d-flex justify-content-center text-center">
// for image and text
</div>
</div>
Example 2: columns center bootstrap 3
<div class="row">
<div class="col-md-2 col-md-offset-5"></div>
</div>