Instructions
Add the following link to the <head> element of your document(s):
<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css'>
Add the following code where you want the icon to appear:
<i class='fa icon_name'><i>
fa-fa
fa-facebook
fa-facebook-f
fa-facebook-official
fa-facebook-square
fa-fast-backward
fa-fast-forward
fa-fax
fa-feed
fa-female
fa-fighter-jet
fa-file
fa-file-archive-o
fa-file-audio-o
fa-file-code-o
fa-file-excel-o
fa-file-image-o
fa-file-movie-o
fa-file-o
fa-file-pdf-o
fa-file-photo-o
fa-file-picture-o
fa-file-powerpoint-o
fa-file-sound-o
fa-file-text
fa-file-text-o
fa-file-video-o
fa-file-word-o
fa-file-zip-o
fa-files-o
fa-film
fa-filter
fa-fire
fa-fire-extinguisher
fa-firefox
fa-first-order
fa-flag
fa-flag-checkered
fa-flag-o
fa-flash
fa-flask
fa-flickr
fa-floppy-o
fa-folder
fa-folder-o
fa-folder-open
fa-folder-open-o
fa-font
fa-font-awesome
fa-fonticons
fa-fort-awesome
fa-forumbee
fa-forward
fa-foursquare
fa-free-code-camp
fa-frown-o
fa-futbol-o
fa-gamepad
fa-gavel
fa-gbp
fa-ge
fa-gear
fa-gears
fa-genderless
fa-get-pocket
fa-gg
fa-gg-circle
fa-gift
fa-git
fa-git-square
fa-github
fa-github-alt
fa-github-square
fa-gitlab
fa-gittip
fa-glass
fa-glide
fa-glide-g
fa-globe
fa-google
fa-google-plus
fa-google-plus-circle
fa-google-plus-official
fa-google-plus-square
fa-google-wallet
fa-graduation-cap
fa-gratipay
fa-grav
fa-group
fa-h-square
fa-hacker-news
fa-hand-grab-o
fa-hand-lizard-o
fa-hand-o-down
fa-hand-o-left
fa-hand-o-right
fa-hand-o-up
fa-hand-paper-o
fa-hand-peace-o
fa-hand-pointer-o
fa-hand-rock-o
fa-hand-scissors-o
fa-hand-spock-o
fa-hand-stop-o
fa-handshake-o
fa-hard-of-hearing
fa-hashtag
fa-hdd-o
fa-headphones
fa-heart
fa-heart-o
fa-heartbeat
fa-history
fa-home
fa-hospital-o
fa-hotel
fa-hourglass
fa-hourglass-1
fa-hourglass-2
fa-hourglass-3
fa-hourglass-end
fa-hourglass-half
fa-hourglass-o
fa-hourglass-start
fa-houzz
fa-html5