CDN

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.2/css/all.min.css" integrity="sha512-1sCRPdkRXhBV2PBLUdRb4tMg1w2YPf37qatUFeS7zlBy7jJI8Lf4VHwWfZZfpXtYSLy85pkm9GaYVYMfw5BC1A==" crossorigin="anonymous" referrerpolicy="no-referrer" />

unicode

.awesome::before{
  font-family: "Font Awesome 5 Free";
  content: '\f017';
  font-size: 15px;
  font-weight: 400;
  margin-right: 4px;
  color:#f90;
}