MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
body.page-Help_Main_Page.action-view h1.firstHeading, body.page-Main_Page.action-view h1.firstHeading { display: none; }
div#content a.external[href ^="https://"] {
    background-image: none;
    padding-right: 0;
}

 /* MYRIAD colours */
  :root {
    --myriad-blue: #374CFF;
    --myriad-purple: #8836EA;
    --myriad-pink: #DB20D2;
    --myriad-dkblue: #000091;
    --myriad-yellow: #FFCE00;
    --myriad-green: #5AE09A;
  }