Hello,
Okay, that's right, it's not a CSS of your template. But it's not a CSS of HikaShop either !
Please understand that it's something external from the HikaShop CSS and by the way, it's not directly related to our support since we can't be responsible of the issues generated by third party elements.
See :
pasteboard.co/GKGg3uQ.png
You got it, it's related to a third party module that you're using in your website.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.