Found It
https://vborg.vbsupport.ru/showthread.php?t=261657
Thank you !!!
Btw, can you help me move the column next to Replies/Views? (Respostas/Vistos)
And make the prefix image vertical-align:middle If possible...
Please...
I know that I have the icons column (attachments, rating, etc...) in there, but maybe I can reduce the width of the Last Post By column:
This is how It looks with your code:

(the problem in this code, is that I only want to allow prefixs in 3 forums, and the other ones that don't have prefix, will appear a blank column, and looks bad...)
This is what I need: