Modify navbar higlight shadows
More consistent bottom border, and inside the navbar
Make the bottom border on navbar li:hover's a little thicker.
Remove old .hover-box-shadow class for clean deletion.
Revert "Remove old .hover-box-shadow class for clean deletion."

This reverts commit 264974917da64d5305fa72ac3fe54647fa69a0ce.
Inset shadow on navbar click
Merge pull request #68 from kotct/navbar-highlight-tweaks

Tweaks to the navbar highlight