Hi,
If you are using the "bootstrap design" in your HikaShop configuration ; please be sure that your template is fully compatible with "bootstrap 2" (and the version 2 is really important).
If not ; please deactivate the "bootstrap design" in your HikaShop configuration.
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.