Adjust background splash for large screensf.
Fixes sub-page header sizing issue.
Merge pull request #190 from 18F/fix/style-adjustments

Fix/style adjustments
A few more minor style changes.
Merge pull request #191 from 18F/fix/style-adjustments

A few more minor style changes.
Fix site under HTTPS.

Uses baseurl instead of url wherever possible, removes trailing
slash from the baseurl.
Merge pull request #193 from 18F/https

Fix site under HTTPS
Added search functionality
updated url