mart added a comment.
how does it look when the mouse is over the toolbutton? the plasma button svg also has an element for that, to look like breeze toolbuttons (look at the navigation controls for the calendar for instance REPOSITORY R242 Plasma Framework (Library) REVISION DETAIL https://phabricator.kde.org/D11652 To: apol, #plasma Cc: mart, #frameworks, michaelh, ngraham