You can add this on the Custom CSS Option.
#bbpress-forums .bbp-forum-info, #bbpress-forums .bbp-topic-title {width: 52%;}
#bbpress-forums .bbp-forum-freshness, #bbpress-forums .bbp-topic-freshness {width: 28%;}
I’m planning on adding this and most of my customizations on the next asteroid theme update.
Notice this site going offline? my web host is acting weird lately.