copy code paste in meta header . remove @ symboll . <@link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"/@> use fa fa icon in your wapsite.

fa fa-edit

<@i class="fa fa-edit"@> <@i class="fa fa-edit" style="font-size:48px;color:blue"@>

Used on a button:

Button

Unicode:

see more icon list here... https://www.w3schools.com/icons/fontawesome_icons_webapp.asp