User blog comment:Rupert Giles/Introducing Updated Global Navigation/@comment-1292629-20141003002016/@comment-4189499-20141003052939

The in-wiki navigation bar (the one which has the different tabs, the first of which says "On the Wiki") can be edited via CSS as far as I'm aware, and some wikis have used CSS to make some more stylish navbars, for example w:c:tardis, w:c:drwho.answers, w:c:sims, etc.