Font Awesome Icons 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.
.fas | .fab .fa- class
.text-[brand|secondary|success|info|primary|warning|danger|muted|dark] and insert the themify icon code.
Custom size for icon, user
font-[xs | sm | md | lg | xl | xxl] class