@Aklapper, MediaWiki — 1.38.2; CollapsibleVector — 0.1.11 (238abab)

In T274042#6825234, @Jdlrobson wrote:

We are trying to move away from the concept of desktop vs mobile styles since users use desktop to view mobile and mobile users use desktop and to think in terms of skin e.g. Minerva.css or Vector.css (particularly because Minerva works for both mobile and desktop).

Longer-term, we plan to remove Mobile.js/css from MobileFrontend and load Common.js/css. We recommend using TemplateStyles making use of media queries to ship styles rather than shipping desktop and mobile stylesheets.