plus button bootstrap code example
Example 1: how to add a button bootstrap
<button class="btn btn-primary">Primary</button>
<a href="#" class="btn btn-secondary">Secondary</button>
Example 2: heart button bootstrap
<button type="button" class="btn btn-default" aria-label="Left Align">
<span class="glyphicon glyphicon-align-left" aria-hidden="true"></span>
</button>
<button type="button" class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-star" aria-hidden="true"></span> Star
</button>