app/assets/stylesheets/fonts.css
/* latin-ext */
@font-face {
font-family: 'Oxygen';
font-style: normal;
font-weight: 400;
src: local('Oxygen Regular'), local('Oxygen-Regular'), url(https://fonts.gstatic.com/s/oxygen/v6/LC4u_jU27qpsdszDEgeU_3-_kf6ByYO6CLYdB4HQE-Y.woff2) format('woff2');
unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
font-family: 'Oxygen';
font-style: normal;
font-weight: 400;
src: local('Oxygen Regular'), local('Oxygen-Regular'), url(https://fonts.gstatic.com/s/oxygen/v6/qBSyz106i5ud7wkBU-FrPevvDin1pK8aKteLpeZ5c0A.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
}