Copy and paste this into your style.css and assign it as a class attribute:
.btn-margin-left { margin-left: 2px; } .btn-margin-right { margin-right: 2px; }
Using
<a href="URL" class="btn btn-default btn-sm btn-margin-left">Link</a> <button type="button" class="btn btn-default btn-sm btn-margin-left">Button</button>
source share