I was having wrap around issues with superfish so uninstalled and started again > enabled superfish and checked working with bartik theme. Noted that however long the child term was it expanded to the required width.
Then I set Pixture reloaded as default and the child terms had a max width suggesting that code in PR is overriding the standard.
FYI and screenshot attached

CommentFileSizeAuthor
Image2.png29.52 KBartatac

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artatac’s picture

artatac commented
Title: PR is overriding superfish defaults » PR is ignoring superfish supersubs enable

at admin/structure/block/manage/superfish/1/configure > Supersubs > enable
Bartik respects this and PR does not. Unticking it makes bartik wrap long submenus

Jeff Burnz’s picture

Jeff Burnz commented

Yeah, its a known issue, you can fix this by removing the display none on line 963 in pixture_reloaded.css, which is going to be removed from the next version. That was put in because a of lot users have very crappy hosting, which can be slow to load the JS for the menus and they can show un-styled for a second (like a FOUC), this can happen on any theme that uses Superfish, especially if the menus are extensive. But I don't like it, and want to remove it also.