.box {
  background-color: $color-gray-light;
  height: 100px;
  position: relative;

  &__item {
    background-color: $color-primary;
    height: 50px;
    width: 100px;

    &--horizontal-center {
      @include horizontal-center;
    }

    &--vertical-center {
      @include vertical-center;
    }

    &--absolute-center {
      @include absolute-center;
    }
  }
}