Font Awesome
In order to use Font Awesome for your project, you must first install it and link the CSS file in your <head>
tag:
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
After that you should be able to use Font Awesome anywhere where icons are used. For more info on these icons, see the Font Awesome website.
fa fa-american-sign-language-interpreting
fa fa-arrow-circle-o-down
fa fa-arrow-circle-o-left
fa fa-arrow-circle-o-right
fa fa-assistive-listening-systems
fa fa-battery-three-quarters
fa fa-caret-square-o-down
fa fa-caret-square-o-left
fa fa-caret-square-o-right
fa fa-chevron-circle-down
fa fa-chevron-circle-left
fa fa-chevron-circle-right
fa fa-exclamation-triangle
fa fa-external-link-square
fa fa-google-plus-official
fa fa-odnoklassniki-square
fa fa-volume-control-phone
fa fa-y-combinator-square