public/sass/components/dropdown.scss

@import "mixins/dropdown/dropdown.scss";
@import "mixins/dropdown/dropdown__item.scss";
@import "mixins/dropdown/dropdown__trigger.scss";
@import "mixins/utils/clearfix.scss";
@import "mixins/utils/pull-right.scss";

.dropdown {
  @include dropdown();
}

.dropdown__item {
  @include dropdown__item();
}

.dropdown__trigger {
  @include dropdown__trigger();
  @include clearfix();
}

.dropdown__trigger__icon {
  @include pull-right();
}