change style of "redudant" highlights?

hi

as i see, some analizer issues are "highlighted" not with underscore but by displaying word in darker color

like redudant 'this' usages and "redudant" things

is there a way to change it to underscore or outlines?

my code is pretty much colored and more colors are just desturbing

m.b. i just havn't figured out how to do this, tho