Reply To: The menu on the left side of main menu doesnt work

Hello,

To have the HTML Block selected for the Main Navigation menu, you need to select the Dropdown settings as Full Width or Set Sizes because HTML Block selection is available to only these two Dropdown Settings. Like it is shown in the following Image from your Site: https://snipboard.io/BEQi5O.jpg

The Menu align is already aligned centered for this Main Navigation on your Site.

Best Regards