Fix navbar avatar hover border
Fix navbar avatar hover border

The border isn't quite antialiased properly in firefox.

notbakaneko/osu-web,nanaya/osu-web,ppy/osu-web,LiquidPL/osu-web,ppy/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,omkelderman/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,ppy/osu-web,notbakaneko/osu-web,omkelderman/osu-web,nanaya/osu-web,LiquidPL/osu-web,nanaya/osu-web,LiquidPL/osu-web,omkelderman/osu-web,nanaya/osu-web,nanaya/osu-web,omkelderman/osu-web,ppy/osu-web,ppy/osu-web,notbakaneko/osu-web