Solved Close mobile menu after clicking anchor link

Hi,
I use a custom menu for the mobile/tablet version from this divi elegant article:
https://www.elegantthemes.com/blog/...onsive-slide-in-menu-with-divis-theme-builder

I tried to make the menu close after I click the anchor link using this code:

Code:

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Unfortunately that did not make the trick.
Therefore I kindly ask you to give me a working solution.
The website is: www.tecton-electric.eu

 

You may close the topic. I figure it out how to do it. It should be .et_pb_posts_nav a and not
.et_pb_posts_nav a