In short, your addition of CDN has set off a security warning, that by default, is blocked. The resolution in the article worked for me.
Add the following to the site's root '.htaccess' file.
<IfModule mod_headers.c> <FilesMatch "\.(ttf|ttc|otf|eot|woff|font.css)$"> Header set Access-Control-Allow-Origin "*" </FilesMatch> </IfModule>Read More