4.7 font awesome code example
Example 1: fontawesome 4.7 icon
<i class="fa fa-facebook" aria-hidden="true"></i>
Example 2: font awesome 4
<i class="fa fa-trash" aria-hidden="true"></i>
<i class="fa fa-facebook" aria-hidden="true"></i>
<i class="fa fa-trash" aria-hidden="true"></i>