Good tip, I'll try and do that in the future. Is there a best practice for developing rules that match randomized class names? There's a web app I use daily at

Good tip, I'll try and do that in the future. Is there a best practice for developing rules that match randomized class names? There's a web app I use daily at work with obnoxious upselling banners that always come back if the page is refreshed and it's the only place I've run into this annoyance so far.