a.icon-before .glyphicon,
a .glyphicon.icon-before {
  margin-right: .25em;
}
a.icon-after .glyphicon,
a .glyphicon.icon-after {
  margin-left: .25em;
}
.btn.icon-before .glyphicon,
.btn .glyphicon.icon-before {
  margin-left: -0.25em;
  margin-right: .25em;
}
.btn.icon-after .glyphicon,
.btn .glyphicon.icon-after {
  margin-left: .25em;
  margin-right: -0.25em;
}