Each and every World-wide-web browser uses a structure motor to render Internet pages, and support for CSS performance isn't reliable in between them. Simply because browsers usually do not parse CSS properly, numerous coding strategies are actually made to focus on certain browsers with workarounds (usually often called CSS hacks https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-open-graph-twitter-cards-tags-on-all-pages.html