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-airplane49"></i>
or
<span class="flaticon-airplane49"></span>
<i class="flaticon-001-arrow-down"></i>
<i class="flaticon-002-arrow-down"></i>
<i class="flaticon-003-arrow-up"></i>
<i class="flaticon-004-arrow-up"></i>