Font Awesome
The iconic font and CSS toolkit
CDN 4.7.0
1 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
CDN 6.7.2 solid free
1 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/solid.min.css" integrity="sha512-DzC7h7+bDlpXPDQsX/0fShhf1dLxXlHuhPBkBo/5wJWRoTU6YL7moeiNoej6q3wh5ti78C57Tu1JwTNlcgHSjg==" crossorigin="anonymous" referrerpolicy="no-referrer" />
Icons 4.7
fa-check 
fa-trash 
fa-trash-o 