Using browsers' base font size larger than normal (e.g. Firefox "20px", Chromium "big") the lemma list items in the lexeme header, when in edit mode, fail to accommodate all content in their fixed pixel height.
A change to font-dependent dimensions should be able to resolve that, e.g.
.wb-lexeme .lemma-widget_lemma-edit-box { height: 19ex; }
Maybe there a synergies between this and T196228
Discovered during T195298