$dataProvider, 'itemView' => '@frontend/views/book/_book', 'emptyText' => 'Нічого не знайдено', 'options' => [ 'class' => 'row', ], 'itemOptions' => [ 'class' => 'col-xs-12 col-sm-12 col-md-6 books-wrapp', ], 'layout' => '{items}', ] ); ?>