banner stacking

As much as I keep trying, I can't figure out what I'm doing wrong so I might as well ask for help. I want to show the correct banner for my users, according to the User Ladder minimum value. I created the user groups, looks fine I edited the templates in the app_user_banner.less section Just...

Hello, Xeners. We've got too many banners. Is there a way to limit the number of stacked banners. For example, limited 4 following the highest priority.