<style type="text/css">
#pun-main .category Div.icon {float: left; display: block; border-style: none none none none; height: 50; width: 50;}

Div.icon {
background-image : url(Нету сооб);
background-repeat: no-repeat;
}
TR.inew Div.icon {
background-image : url(Новое);
background-repeat: no-repeat;
}
TR.isticky Div.icon {
background-image : url(Важно);
background-repeat: no-repeat;
}
TR.iclosed Div.icon {
background-image : url(Закрыто);
background-repeat: no-repeat;
}
</style>