MediaWiki:Vector.css

/* CSS placed here will affect users of the Vector skin */
@font-face {
font-family: "Ubuntu";
src: url('/img/Ubuntu-R.ttf') format('truetype');
}
div#content #firstHeading,
div#content h1,
div#content h2,
div#content h3,
div#content h4,
div#content h5,
div#content h6,
dt {
font-family: "Ubuntu", "Linux Libertine", "Georgia", "Times", serif;
}