The overall sibling combinator selector is similar to the adjacent sibling combinator selector. The main difference would be that the component becoming selected doesn't must immediately be successful the initial element, but can seem everywhere after it. Additional info The module displays pop-up with custom message for selected countries with https://www.presta-addons-modules.com/en/front-office/prestashop-social-media-side-bar-links-buttons-on-all-pages.html