How to fix system menu and help menu problam in pfsene 2.1.5

[firefox]

I'm trying to fix the top menu in pfsene 2.1.5

Help button
Is just below the button system

Which is a bit of a problem access the system menu
I've seen here at the forum two solutions
I tried the two solutions it does not work

clear the browser's cache memory  (Fire Fox 34 On ubuntu 14.04)

The second option I did not understand

https://forum.pfsense.org/index.php?topic=81165.0

Which link to use

https://github.com/pfsense/pfsense/commit/6817c18afa737e83756516a7b7c14ff5e5d85814

https://github.com/CharlieMarshall/pfsense/commit/f216a5824fdc12c6b13cd950cc4625445093fe28

What should I do with it

[firefox]

I do not know if it will work for everyone
But it worked for me

http://makandracards.com/makandra/1258-install-the-verdana-and-tahoma-fonts-under-ubuntu-linux