Clean up county pages

[audreycarlsen]

• [ ] More space between top results table and "Results By County" header
• [ ] Note about EEVP vs. % precincts reporting in source line
• [ ] Get rid of pointer cursor on county tables since they're not clickable
• [ ] Add pointer cursor to county table headers that are clickable ("County" column and right-most column) and "show all" links
• [ ] Arrow in right-most column looks off-center: