You have been subscribed to a public bug: In LibreOffice, there's a white square that appears in the top right. It's a CSS problem. You could check how the guys from Adapta and United- Gnome managed to solve it.
I posted the same issue at the Github of United-Gnome theme : https://github.com/godlyranchdressing/United-GNOME/issues/135 ** Affects: ubuntu-themes (Ubuntu) Importance: Undecided Status: New -- Ambiance light-themes - LibreOffice has a white square top right https://bugs.launchpad.net/bugs/1704745 You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-themes in Ubuntu. -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp