Hi,
It is a template issue.
You have the bootstrap design and at this moment the labels are displayed as some kind of "button".
So, yes you can fix the CSS or you can disable the bootstrap design if your template is not right compatible with Bootstrap 2.
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.