Hello,
Hope you are having a nice day.
1. Please read this topic https://www.8theme.com/topic/this-page-didnt-load-google-maps-correctly-see-the-javascript-console-for-tech/
2. Sorry, but your question is a bit unclear for me. Could you please explain it in details?
You may delete categories here – http://prntscr.com/h8kx88
Also, go to Theme Options > Color Scheme > Fixed Header Text Color > Dark.
Thanks in advance!
Regards