Active selected link not working

[jelly46]

can someone help with this, the active (selected) link is not working here is the css and html.
http://hospital.gosh.org/medical-conditions/
Thanks

Tried putting the code in but its too long so it wont let me

[itivae]

Im sorry but could you be a little more specific on what your problem is? Are you looking for a highlighted link on an active page? The more you type the better people can try and help.

[jelly46]

Hello yes that's exactly what i'm looking for.
Thanks