This replaces some of the opponents images with those you put on your HDD for the browser game Pardus. An opponents image on mouse hover will display its experience value.
It does not matter if you are using normal imagepack at he same time and so the style will work the same if you have an imagepack enabled or disabled in your pardus account settings

You need to put the images in a certain location, exactly as the filepath directs.
The linking to these HDD images is Firefox specific. If you are not on Firefox, all background-image:url needs to point with a right filepath to a place on your HDD. You can change it by performing simple find&change in a text editor.
If you are on Firefox, make sure you have put your images in the right directories of ...Program Files\Mozilla Firefox\img\opponents and ...\Mozilla Firefox\img\opponentsnumbered (in case of windoze)

You need to have all images the style is replacing in the right location, otherwise the missing images won't be displa