font awesome & code example
Example 1: font awesome
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.1/css/all.css" integrity="sha384-vp86vTRFVJgpjF9jiIGPEEqYqlDwgyBgEF109VFjmqGmIY/Y4HV4d3Gp2irVfcrp" crossorigin="anonymous">
Example 2: Font Awesome
Font Awesome is a font and icon toolkit based on CSS and Less.
It was made by Dave Gandy for use with Bootstrap, and later was incorporated
into the BootstrapCDN.
Font Awesome has a 38% market share among those websites that use third-party
font scripts on their platform, ranking it second place after Google Fonts.