[@robkk Moderator 12 years, 3 months ago]

try all of these

span.bbp-admin-links a {
color: #404040;
}

div.bbp-reply-header span.bbp-admin-links a {
color: #404040;
}

#bbpress-forums div.bbp-reply-header span.bbp-admin-links a {
color: #404040;
}