Hallo Angy,
.msg[msg-type="ACTION"] .msg-user:before,
.msg[msg-type="ACTION"] .msg-user:after {
color: cyan;
}
Bin gerade zu faul, das alles zu maskieren,
http://penguin.theopalgroup.com/cgi-bin/css3explainer/selectoracle.py?direct=.msg[msg-type=%22ACTION%22]%20.msg-user:before,%20.msg[msg-type=%22ACTION%22]%20.msg-user:after%20{%20color:%20cyan%20}
aber du wirst dich trotzdem schnell zurechtfinden.
Grüße
Roland