retina-dom-to-image/spec/resources/fonts/web-fonts/remote.css

A fork of the dom-to-image library that outputs an image for higher DPI screens

@font-face {
    font-family: 'Font1';
    src: url('http://fonts.com/font1.woff2') format('woff2'), url('http://fonts.com/font1.woff') format('woff'), local(Arial);
    font-weight: normal;
    font-style: normal;
}