7.x 1.x css

Yo. @sherakama I think this is actually done and ready to merge. Includes the following: 

Lomita:
[DONE] * floating navbar
[DONE] * text color based on theme setting for light/dark or add wells to blocks on home
[DONE] * add background color to footer region, or remove footer blocks? 
[DONE] * fix background header image problem - SHEA
[DONE] * test in all SULight settings

Palm:
[DONE] * floating navbar
[DONE] * Remove header background colors and "stripe" effect from each style option
[DONE] * Make navbar into a color bar that floats on the page
[DONE] * Banner block should touch navbar on homepage
[DONE] * test in all SULight settings

Mayfield:
[DONE] * Style testimonial block and circle image to float in the right place
[DONE] * test in all SULight settings

Serra:
[DONE] * floating navbar w/out background
[DONE] * style two-col block content on home to be bigger font size
[DONE] * placement of info text block with more margin
[DONE] * color fixes for main-top region for each style option
[DONE] * test in all SULight settings

Panama:
[DONE] * test in all SULight settings