Brand buttons is a set of button written with Sass for bootstrap.The set contains 86 items that you can use in your web design projects.The buttons come in 5 different sizes and you can use them only as an icon,with icon,plain and inversed.
How to use:
Include brand-buttons.min.css to your file:
<link rel="stylesheet" src="dist/brand-buttons.min.css">
Use as Bootstrap button:
<button class="btn btn-facebook">Facebook</button>
<a href="" class="btn btn-facebook">Facebook</a>
For inversed version you need include brand-buttons-inversed.min.css and use as .btn-brand-inversed