.caret {
  display: inline-block;
  width: 0;
  height: 0;
  vertical-align: middle;
}
.caret-down {
  .caret;
  border-top:   @caret-width-base solid;
  border-right: @caret-width-base solid transparent;
  border-left:  @caret-width-base solid transparent;
}

.caret-right {
  .caret;
  border-left:   @caret-width-base solid;
  border-right: 0;
  border-top:  @caret-width-base solid transparent;
  border-bottom: @caret-width-base solid transparent;
}