From https://ru.wikisource.org/wiki/MediaWiki:Common.css
/* Web Font CSS declaration for Church Slavonic fonts */ /* Slavonic Computing Initiative (https://sci.ponomar.net/) */ @font-face { font-family: 'Ponomar Unicode'; src: url('https://sci.ponomar.net/fonts/PonomarUnicode.eot'); src: url('https://sci.ponomar.net/fonts/PonomarUnicode.eot?#iefix') format('embedded-opentype'), url('https://sci.ponomar.net/fonts/PonomarUnicode.woff2') format('woff2'), url('https://sci.ponomar.net/fonts/PonomarUnicode.woff') format('woff'), url('https://sci.ponomar.net/fonts/PonomarUnicode.ttf') format('truetype'); font-weight: normal; font-style: normal; } @font-face { font-family: 'Menaion Unicode'; src: url('https://sci.ponomar.net/fonts/MenaionUnicode.eot'); src: url('https://sci.ponomar.net/fonts/MenaionUnicode.eot?#iefix') format('embedded-opentype'), url('https://sci.ponomar.net/fonts/MenaionUnicode.woff2') format('woff2'), url('https://sci.ponomar.net/fonts/MenaionUnicode.woff') format('woff'), url('https://sci.ponomar.net/fonts/MenaionUnicode.ttf') format('truetype'); font-weight: normal; font-style: normal; }