element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === Direction.NEXT\n    const isPrevDirection = direction === Direction.PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex ===...

by3::before{padding-top:75%}.embed-responsive-1by1::before{padding-top:100%}.flex-row{-ms-flex-direction:row!important;flex-direction:row!important}.flex-column{-ms-flex-direction:column!important;flex-direction:column!important}.flex-row-reverse{-ms-flex-direction:row-reverse!important;flex-direction:row-reverse!important}.flex-column-reverse{-ms-flex-direction:column-reverse!important;flex-direction:column-reverse!important}.flex-wrap{-ms-flex-wrap:wrap!important;flex-wrap:wrap!important}.flex...

element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === Direction.NEXT\n    const isPrevDirection = direction === Direction.PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex ===...

by3::before{padding-top:75%}.embed-responsive-1by1::before{padding-top:100%}.flex-row{-ms-flex-direction:row!important;flex-direction:row!important}.flex-column{-ms-flex-direction:column!important;flex-direction:column!important}.flex-row-reverse{-ms-flex-direction:row-reverse!important;flex-direction:row-reverse!important}.flex-column-reverse{-ms-flex-direction:column-reverse!important;flex-direction:column-reverse!important}.flex-wrap{-ms-flex-wrap:wrap!important;flex-wrap:wrap!important}.flex...

[x='bottom']\n     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n     * Change this if your popper should grow in a direction different from `bottom`\n     */\n    x: 'bottom',\n    /**\n     * @prop {string} [x='left']\n     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n     * Change this if your popper should grow in a direction different from `right`\n     */\n    y: 'right',\n  },\n\n  /**\n   * Applies the computed styles to the popper element.\n   *\n...