Can you elaborate?
Looked at doing these but never committed to doing the inverted color thing. I can make it happen.
Had issues getting it to load correctly on multiple screens. Right now, standard box reads like this for example. Leaving it as col-3 also lead to it breaking.
<a class="col-xs-12 col-sm-12 col-md-3 col-lg-3 bigbutton-white" href="https://talk.peercoin.net/">