.dropdown-arrow {
  border: solid $gray;
  border-width: 0 2px 2px 0;
  display: inline-block;
  @include padding(5px);
  @include margin(0 0 10px 0);
  transform: rotate(45deg);
  float: right;
  position: relative;
  left: -20px;
  transition: $transition-duration ease;

  &.arrow-right {
    transform: rotate(-45deg);
  }

  &.arrow-left {
    transform: rotate(135deg);
  }
}