Mike Herchel authored Apr 04, 2017 and Neil Drumm committed Apr 04, 2017

Issue #2809243 by mherchel, eojthebrave, mglaman: Visually separate documentation guide description content and list of sub-pages

Add styles for a modified version of the .stack fpp style called .breadcrumb - for use in industry pages

Switched the built-by styles to a more compact side-by-side format. Also fixed the centering of logos in card styles

Fixed margins at larger viewport for full pane style, and added styles for a fifty-fifty secondary style