When 'Home' or 'about' is underlined, there seems to be a 1px black line underneath the grey selection line. The underline should just stick to the edge.
I believe this currently is the intended behaviour. When there is no selection the line is also there and it makes up the distinction between menu and page.
When 'Home' or 'about' is underlined, there seems to be a 1px black line underneath the grey selection line. The underline should just stick to the edge.