Instructions
<head>
...
<link rel="stylesheet" type="text/css" href="your_website_domain/css_root/flaticon.css">
...
</head>
3Use the icon class on "display: inline" elements:
Use example:
<i class="flaticon-archi-airplane49"></i>
or
<span class="flaticon-archi-airplane49"></span>
<i class="flaticon-archi-001-beam"></i>
<i class="flaticon-archi-002-structure"></i>
<i class="flaticon-archi-003-topography"></i>
<i class="flaticon-archi-004-pipeline"></i>