Forum How to change sub forum color only ?

[محروم.كوم]

hello bros , i wnt to know how i can change the color of the sub forum only :


screen : http://image.noelshack.com/fichiers/...sans-titre.png

here its on black , i'd like to change the color (i dont want to have to change the color of the last thread post or member color) ...cause when i use stylvar , it change all


thanks __DEFINE_LIKE_SHARE__