Some Functions Not Working

hi;

 

i just bought it and face some issues.

1- close button dont close the lightbox

http://prntscr.com/f9h2s6

2- there isnt gap on my theme :

http://prntscr.com/f9h2yf

3- it doenst show categories eventough it is enable to show it.

http://prntscr.com/f9h2yf

 

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