[gb2world]

I'm not familiar with that template - so hopefully this information pertains.

In 3.2 - the width and height of the div that controls that image is based on the settings you have for maximum product image width and height in General Settings->Appearance options.

So - depending on how you are managing the size of your images - maybe you can take a look at those settings and it will give you a hint as to how the css is getting set. Where you see inline css - it usually means xcart is setting that css using smarty based on a setting it is pulling from the database.