MediaWiki:Common.css

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/* CSS placed here will be applied to all skins */

.mw-first-heading,
.mw-page-title-main,
.mw-page-title-namespace,
.mw-page-title-namespace,
.firstheading {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.mw-heading h1,
.mw-heading h2 {
    font-family: "Poppins", sans-serif;
    font-weight: 300;
    font-style: normal;
}