Revert 397f24a..8e3be23

This rolls back to commit 397f24a5b4453633970708e9c47950a33ed35323.
Revert "Revert 397f24a..8e3be23"

This reverts commit 313ddb6236a463602f31939ed6f3aff21ed1118d.
Fix #13 navigation bar

Not my fault- change in Bootstrap's stylesheet