Changing CSS Color

Hi ??

Grrrrreat plugin!!!

I just changed the colors in the CSS under mww-disclaimer-buttons/buttons.css and cleared the cache, but the older colors are still showing on this page:

https://bassmusicianmagazine.com/2017/07/bass-book-bass-tab-white-pages-200-song-collection/

Any suggestions would be appreciated ??

V ~