fixed width problem for icon-based buttons, refs #421
fixed width problem for icon-based buttons, refs #421

djvoa12/frontend,gboushey/frontend,dartajax/frontend,stopfstedt/frontend,gboushey/frontend,jrjohnson/frontend,ilios/frontend,thecoolestguy/frontend,thecoolestguy/frontend,gabycampagna/frontend,dartajax/frontend,gabycampagna/frontend,ilios/frontend,stopfstedt/frontend,djvoa12/frontend,jrjohnson/frontend