Create component for large buttons

[Blackbaud-PatrickOFriel]

https://blackbaudinc.app.box.com/s/ykhoizocl7erk3xshrtgo6ztkhgxp6b4

[Blackbaud-PatrickOFriel]

Initial styling:

max-width: 236px
border: 1px solid #ccc
border-radius: 3px
margin: 15px

greater than xs screen:
padding top: 30px;
padding bottom: 30px;
padding left: 20px;
padding right: 20px;

xs screens:
padding top, right, left: 20px
padding bottom: 30px

3 inner sections:

Icon section:
Uses font-awesome icons
$sky-color-blue
greater than xs screen
fa-lg
margin-bottom 20px
display block
xs screen
fa-2x
display inline-block

Heading section
use sky-section-heading styles
margin-bottom: 20px
greater than xs screen
display block
xs screen
inline block

Details section:
standard styling

[Blackbaud-PatrickOFriel]

In 2.0.0-beta.5