Hello,

Please check and follow the manual provided above, you have not configured menu items:

Please enter every menu item and set “Full-width” https://gyazo.com/6889d77bcb65bcb1d61d92c683ed3413 select the HTML block and save, the menu would work: https://gyazo.com/e77e8192874d4b1fa14a0abfebb83ed4

If you have any questions please feel free to contact us.

Best Regards