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@import "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css";
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<!-- Add into <head> tag -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css" rel="stylesheet" type="text/css">
<!-- Info CSS use 'font-family: FontAwesome;' (without quotes) -->