wmode="transparent" causes a lot of problems in Firefox - check out this search on mozilla's bugzilla: https://bugzilla.mozilla.org/buglist.cgi?query_format=specific&order=relevance+desc&bug_status=__open__&content=wmode
https://bugzilla.mozilla.org/show_bug.cgi?id=258089 seems to be this bug.
wmode="transparent" causes a lot of problems in Firefox - check out this search on mozilla's bugzilla: https:/ /bugzilla. mozilla. org/buglist. cgi?query_ format= specific& order=relevance +desc&bug_ status= __open_ _&content= wmode
https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=258089 seems to be this bug.