a.postUser1 {color:#000000;} – color of group 1
a.postUser2 {color:#00FF00;} - color of group 2
a.postUser3 {color:#0000FF;} - color of group 3
a.postUser4 {color:#FF0000;} - color of group 4
.forum_nik1 {color:#F6F6F6;} – username color of the user with ID=1
.forum_nik6 {color:#F7F7F7;} - username color of the user with ID=6
.forum_nik7 {color:#F9F9F9;} - username color of the user with ID=7
.forum_nik4 {color:#A6A6A6;} - username color of the user with ID=4
