Some problem with category icons

Hi!
I'm using the last version of Kunena and template NTS Kpop.
The default categories, which were after Kunena install has correct icons, but the new categories has problems with displaying icons: prnt.sc/10kgd73

this is site url: selo.artcolorit.com/forum

Help please to fix it

Hi Zeus07,

Thank you very much about bug report. I can't see the issue in the image on the website. It seems to be working correctly on your website. Please let me know if you need do something to view issue.

Best regards,