JW/EMIS.Web/Content/Bowin.Control.Core/themes/metro-blue/splitbutton.css

.s-btn-downarrow {
  display: inline-block;
  margin: 0 0 0 4px;
  padding: 0 0 0 1px;
  width: 14px;
  height: 16px;
  line-height: 16px;
  border-width: 0;
  border-style: solid;
  _vertical-align: middle;
}
a.s-btn-active {
  background-position: bottom right;
}
a.s-btn-active span.l-btn-left {
  background-position: bottom left;
}
a.s-btn-plain-active {
  background: transparent;
  padding: 0 5px 0 0;
  border-width: 1px;
  border-style: solid;
  -moz-border-radius: 0px 0px 0px 0px;
  -webkit-border-radius: 0px 0px 0px 0px;
  border-radius: 0px 0px 0px 0px;
}
.s-btn-downarrow {
  background: url('images/menu_arrows.png') no-repeat 2px center;
  border-color: #1a7bc9;
}
a:hover.l-btn .s-btn-downarrow,
a.s-btn-active .s-btn-downarrow,
a.s-btn-plain-active .s-btn-downarrow {
  background-position: 1px center;
  padding: 0;
  border-width: 0 0 0 1px;
}
a.s-btn-plain-active {
  border-color: #9cc8f7;
  background-color: #9cc8f7;
  color: #404040;
}