Button: Default

<p class="btn"><a href="#">Default</a></p>
<p class="btn primary"><a href="#">Primary</a></p>
<p class="btn green"><a href="#">Success</a></p>
<p class="btn blue"><a href="#">Info</a></p>
<p class="btn orange"><a href="#">Warning</a></p>
<p class="btn red"><a href="#">Danger</a></p>