CHANGES

11.2.21
Kvantum:    button - add default indicator;
            active tab - add gradient, soften top border, remove overlap
            radio button - add text.focus color
            check box - add text.focus color
            frame - fix unfocused
            slider cursor - rework
            tooltip - rework
            menu - slice top off to make symmetric, increase submenu overlap
            splitter - rework
            arrows - smaller and darker
            progressbar - center gradient, fix corners
Aurorae:    thicken border, remove grey outline
Plasma:     tasks - hover add interior, blend border into background
            clock - align shadows and increase light point source
            scrollbar - mimic application scrollbar
            lineedit - increase border by a pixel, darker background, color contrast border
            frame - match lineedit
            colors - fix highlight
Colors:     highlight background, various text