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;
  }

 /* Clickable button */
  .drg-button {
    display: inline-block;
    padding: .5em 1em;
    text-align: center;
    font-variant: small-caps;
    border-radius: 7px;
    background-color: var(--myriad-blue);
    color: rgba(255, 255, 255, .8) !important;
    transition: all 400ms;
    text-decoration: none !important;
    box-shadow: rgba(25, 128, 195, .3) 3px 3px 4px 0px;
  }
  
  /* FOOTER START */
/* #region */

footer#footer.footer {
    padding: 0;
}

footer {
    background-color: var(--myriad-blue);  /* Your preferred color */
    color: white;  /* Ensure text is visible */
}

footer-navigation {
    background-color: var(--myriad-blue);  /* Your preferred color */
    color: white;  /* Ensure text is visible */
}

footer-info {
    background-color: var(--myriad-blue);  /* Your preferred color */
    color: white;  /* Ensure text is visible */
}