official CSS icon code example
Example: css icons
<i class="fa fa-chat"></i>
<i class="fa fa-heart"></i>
<i class="fa fa-car"></i>
<i class="fa fa-send"></i>
<i class="fa fa-bars"></i>
<i class="fa fa-chat"></i>
<i class="fa fa-heart"></i>
<i class="fa fa-car"></i>
<i class="fa fa-send"></i>
<i class="fa fa-bars"></i>