The Gulp build recognizes the `~` URL prefix and copies the font from the npm package to the build folder (and hence bundle).
. Repeat the previous step for each font style and weight you want to use from that package.
+
+. Add all `typeface-XXXX.css` files you have created as `@import` rules to the `site.css` file like this:
++
+[source,css]
+----
+@import "typeface-open-sans.css";
+----
+
. Change the CSS to use your newly imported font:
+
[source,css]
font-family: "Open Sans", sans;
}
----
++
+If you are creating your UI by modifying the Default UI (this project), define your fonts in the `vars.css` file.
+Look for the `/* fonts */` section.
+
. Test the new font by previewing your UI: