[@robin-w Moderator 12 years, 11 months ago]

and that class is the one you tried to change, it is on line 166 of bbpress.css

#bbpress-forums div.bbp-forum-title h3,
#bbpress-forums div.bbp-topic-title h3,
#bbpress-forums div.bbp-reply-title h3 {
	background: none;
	border: none;
	font-size: 16px;
 	line-height: 1em;
 	margin: 8px 0;
	padding: 0;
	text-transform: none;
}