OceanWp theme changing general styling colours doesnt have any effect ?

So…im trying to change some hoover colours in my header main menu, and changes from my theme colours have no effect at all. Does anyone knows why is that ? I cant see something overriding them in custom css, and i domt want to implement 400 lines of css for every menu aspect if it’s not needed. What am i missing, sounds like it should be easy fix, but im stuck. The site is


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