It seems wp-rocket plugin is creating so many js error. Please try by deactivating this plugin and see how it goes. If it goes well after deactivating wp-rocket plugin then please consult to respective plugin author. And also please try by deactivating other plugin.
We had gone through all console error and found some editing done on /inc/customizer.php. if so please do editing properly and keep all changes on child theme. So your changes will not lost on theme update.
Regarding to ugly sticky mene, we have tested on our end and it looks fine. Could you please do one more favor for us, providing me screenshot of ugly menu…
We look forward for your response.
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