Firefox dim back/forward and home buttons

for reason, in firefox, back, forward , home buttons dim. arrows , house in these buttons used black when available, this:



can see arrow darker forward arrow, why not black used be?

used app cleaner rid of firefox , re-installed it, still looks this. still works fine, frustrating haven't done change it. have macbok pro same version of firefox , lion installed , back, forward , home buttons normal on it.

here screen shot mbp:




has happened fierefox on imac?

 

portreathbeach said: ↑

i used app cleaner rid of firefox

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