Do you have NoScript or similar? Even with scripts enabled it doesn't work for me, because of the mimetype: "[NoScript] Blocking nosniff Javascript served from

Do you have NoScript or similar? Even with scripts enabled it doesn't work for me, because of the mimetype: "[NoScript] Blocking nosniff Javascript served from https://raw.github.com/Indamix/real-shadow/master/realshadow.js https://raw.github.com/Indamix/real-shadow/master/realshadow... with wrong type info text/plain, inline and included by http://indamix.github.com/real-shadow/ http://indamix.github.com/real-shadow/ Edit: the fix is to add https://raw.github.com/ https://raw.github.com/ to the pref noscript.inclusionTypeChecking.exceptions in about:config