incorporate button style guide

![](http://f.cl.ly/items/1k0g0240453j0K3y181d/Image%202014-08-14%20at%204.06.40%20PM.png)

![](http://f.cl.ly/items/1N0i3p1j0x3V050B3L0S/Image%202014-08-14%20at%204.06.59%20PM.png)

![](http://f.cl.ly/items/0r0w1c1Q2m2V0O25402g/Image%202014-08-14%20at%204.07.42%20PM.png)