Cant get fonts to work in firefox with heroku + cloudfront + rails 4 -

Cant get fonts to work in firefox with heroku + cloudfront + rails 4 -

recently switched asset_sync , s3 cloudfront on heroku. having issue getting fonts work in firefox. have looked @ font_assets gem - no luck, tried rack-cors. ideas/suggestions?

heroku +rails 4.1 + cloudfront

thanks!

this post might helpful http://thelazylog.com/posts/resolve-cors-fonts-issue-on-firefox-and-now-chrome-too-with-rails-assets-pipeline

i have create fonts.css file , include main layout normal <link> tag

ruby-on-rails heroku amazon-cloudfront