Resumption: Menue Button mobile (NAVIGATION)

Hello,

I’d like to reactivate the closed topic:

How to remove word “NAVIGATION” from mobile version of the theme
(https://ww.wp.xz.cn/support/topic/how-to-remove-word-navigation-from-mobile-version-of-the-theme/)

I’ve added the CSS code but unfortunately there are no changes..

Could you please give me an updated code to rename the NAVIGATION button on mobile screen.

Thanks a lot in advance!