I would like to make vierical lines on product category, http://sportfactory.radom.pl/index.php/j-stuff/t-shirt.html, somebody knows how do it?
Looks like you are using a commercial theme. You could add left/right borders to the jsn-product divs with a bit of css, or edit your category template overrides.
Use Firebug to work out which edits to apply. https://forum.virtuemart.net/index.php?topic=102850.0
https://forum.virtuemart.net/index.php?topic=108212.0
I'm not good at programming, and I don't know how to do this. I can share files to change it or can somebody tell how to change it?