Dear Mr. Chouhan,
Many thanks for your amazing plugin .. I met an issue when restyling it to be Retina with FontAwesome icons, you using two separated CSS files with same CSS Class names so when i overwrite one class to be Heart icon (instead of heart image) it's overwrite another one (ThumbsUp).
I think you have to use different CSS Class names to facilitate overwriting it by developers.
Thanks again for your work, Good Luck