a.icon-before .glyphicon,a .glyphicon.icon-before{margin-right:0.25em}a.icon-after .glyphicon,a .glyphicon.icon-after{margin-left:0.25em}.btn.icon-before .glyphicon,.btn .glyphicon.icon-before{margin-left:-0.25em;margin-right:0.25em}.btn.icon-after .glyphicon,.btn .glyphicon.icon-after{margin-left:0.25em;margin-right:-0.25em}