if ("fonts" in document) {
  var regular = new FontFace(
    "Montserrat",
    "url(/fonts/Montserrat-Regular-hint-all.woff2) format('woff2'), url(/fonts/Montserrat-Regular-hint-all.woff) format('woff')"
  );
  var bold = new FontFace(
    "Montserrat",
    "url(fonts/Montserrat-Bold-hint-all.woff2) format('woff2'), url(fonts/Montserrat-Bold-hint-all.woff) format('woff')",
    { weight: "700" }
  );
  var semiBold = new FontFace(
    "Montserrat",
    "url(fonts/Montserrat-SemiBold-hint-all.woff2) format('woff2'), url(fonts/Montserrat-SemiBold-hint-all.woff) format('woff')",
    { weight: "600" }
  );

  Promise.all([bold.load(), regular.load(), semiBold.load()]).then(function(
    fonts
  ) {
    fonts.forEach(function(font) {
      document.fonts.add(font);
    });
  });
}