Font Awesome Cheatsheet 3.7. Copy the css class or copy the code snippet.it also displays the preview of the code output. Good to use on the first paragraph of an article to improve readability.
Will show the field narrow, for fields that should take only a couple of characters. A cheatsheet for fa icons can be found here. Used to identify the left carousel control:
Will show the field in a larger font, for text fields.
Please see image below to see differences in developer tools: Grab a gorgeous bootstrap 3 or font awesome cheat sheet poster for your wall today. Other than that, i don't see any differences between the two. Good to use on the first paragraph of an article to improve readability.