MediaWiki:Common.css

/* Fonts

font-family: 'Alegreya', serif;
font-family: 'Alegreya Sans', sans-serif;
font-family: 'Roboto Mono', monospace;

*/

@import url('https://fonts.googleapis.com/css?family=Alegreya+Sans:100,300,300i,400,400i,500,500i,700,700i,800,900| Alegreya:400,400i,500,500i,700,700i,800,900|Roboto+Mono');

/* Tipography */

body {
  font-family: 'Alegreya Sans', sans-serif;
  font-size: 17px;
}

.mw-body * {
  font-family: 'Alegreya', serif;
}

h1, h2, h3,
.mw-body h1, .mw-body-content h1, .mw-body-content h2 {
  font-family: 'Alegreya Sans', sans-serif;
}

pre, code, tt, kbd, samp, .mw-code, textarea#wpTextbox1{
  font-family: 'Roboto Mono', monospace;
  font-size: 17px;
}

.oo-ui-buttonElement > .oo-ui-buttonElement-button{
  font-family: 'Alegreya Sans', sans-serif;
}