Hi there,
Please try this CSS in custom CSS settings.
When displaying widget in Sidebar set the Tab layout to “Tabs as Dropdown”
#gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-post-img, #gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-content, #gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-entry-meta, #gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-addinfo {
width: 100%;
}
#gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-content, #gd-sidebar-wrapper .geo-bestof-contentwrap article.geodir-category-listing .geodir-addinfo {
margin-top: 10px;
}
To display only featured tab, it would require some customisation.