BuddyPress.org

Might be easier to do it with CSS, then. Thanks for the info.

thanks @venutius

My web PHP 5.6.40

thanks @venutius in media post with rtmedia 4.5.6
when i give comment in any media activity by rtmedia. the comment bocome activity post with comment. otherwise others buddypress post not do this. after deactivation of the plugin rtmedia, this complain absent. so i think this problem arise by the plugin rtmedia 4.5.6