Hi,
Because you have a product name which is too long (too much width).
See the second element in the "third" row ; his width is bigger than the other due to the product name.
Your problem is a CSS issue problem. You can see to activate some "word wrap" in the product titles.
www.hikashop.com/support/support/documen...ize-the-display.html
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.