bootstrap grid classes center align code example
Example 1: bootstrap center align columns
<!-- Center columns in a Row -->
<div class="row d-flex justify-content-center text-center">
<div class="col-4">
// Add Content
</div>
<div class="col-4">
// Add Content
</div>
<div class="col-4">
// Add Content
</div>
</div>
Example 2: columns center bootstrap 3
<div class="row">
<div class="col-md-2 col-md-offset-5"></div>
</div>