Websites/webkit.org/demos/mathml/demo2016/webfonts.css

@namespace url('http://www.w3.org/1999/xhtml');
@namespace m url('http://www.w3.org/1998/Math/MathML');

@font-face {
    font-family: LatinModernWOFF;
    src: url('latinmodern-math.woff');
}
@font-face {
    font-family: LibertinusWOFF;
    src: url('libertinusmath-regular.woff');
}
@font-face {
    font-family: AmiriWOFF;
    src: url('amiri-regular.woff');
}

m|math, m|mtext {
    font-family: LatinModernWOFF;
}
m|math.libertinus {
    font-family: LibertinusWOFF;
}
m|math.arabic {
    font-family: LatinModernWOFF, AmiriWOFF;
}