Hi,
Without an access to the page it will be more than difficult to understand the CSS issue.
Please understand that we are not designers and our support is more than limited for the CSS ; the HikaShop customization is not provided by our support team ; but we are trying to help the best than we can.
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.