@include b(slider) {
  background-color: #e5e5e5;
  &-bar {
    position: relative;
    background-color: $primary-color;
  }
  &-button {
    position: absolute;
    top: 50%;
    right: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
    transform: translateY(-50%);
    box-shadow: 0 1px 2px rgba(0,0,0,.5);
  }
  &-disabled {
    opacity: .3;
  }
}