src/main/resources/SLING-INF/libs/sling/resource-editor-static-content/css/font.css

@font-face {
  font-family: 'Michroma';
  font-style: normal;
  font-weight: 400;
  src: local('Michroma'), url(../3rd_party/font/Michroma.woff) format('woff');
}