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-500px
fa-address-book
fa-address-book-o
fa-address-card
fa-address-card-o
fa-adjust
fa-adn
fa-align-center
fa-align-justify
fa-align-left
fa-align-right
fa-amazon
fa-ambulance
fa-anchor
fa-android
fa-angellist
fa-angle-double-down
fa-angle-double-left
fa-angle-double-right
fa-angle-double-up
fa-angle-down
fa-angle-left
fa-angle-right
fa-angle-up
fa-apple
fa-archive
fa-area-chart
fa-arrow-circle-down
fa-arrow-circle-left
fa-arrow-circle-o-down
fa-arrow-circle-o-left
fa-arrow-circle-o-right
fa-arrow-circle-o-up
fa-arrow-circle-right
fa-arrow-circle-up
fa-arrow-down
fa-arrow-left
fa-arrow-right
fa-arrow-up
fa-arrows
fa-arrows-alt
fa-arrows-h
fa-arrows-v
fa-asl-interpreting
fa-assistive-listening-systems
fa-asterisk
fa-at
fa-audio-description
fa-automobile
fa-backward
fa-balance-scale
fa-ban
fa-bandcamp
fa-bank
fa-bar-chart
fa-bar-chart-o
fa-barcode
fa-bars
fa-bath
fa-bathtub
fa-battery
fa-battery-0
fa-battery-1
fa-battery-2
fa-battery-3
fa-battery-4
fa-battery-empty
fa-battery-full
fa-battery-half
fa-battery-quarter
fa-battery-three-quarters
fa-bed
fa-beer
fa-behance
fa-behance-square
fa-bell
fa-bell-o
fa-bell-slash
fa-bell-slash-o
fa-bicycle
fa-binoculars
fa-birthday-cake
fa-bitbucket
fa-bitbucket-square
fa-bitcoin
fa-black-tie
fa-blind
fa-bluetooth
fa-bluetooth-b
fa-bold
fa-bolt
fa-bomb
fa-book
fa-bookmark
fa-bookmark-o
fa-braille
fa-briefcase
fa-btc
fa-bug
fa-building
fa-building-o
fa-bullhorn
fa-bullseye
fa-bus
fa-buysellads