<script>$(document).ready(function() {
$("i.fa").popover({'trigger':'hover'});

<i rel="popover" data-content="hey" class="fa fa-share-alt fa-lg" aria-hidden="true"></i>

[rel="popover"]{
        cursor: pointer;
        display:inline-block; /* chrome-fix */
    }
i.fa {
   display: inline-block;
}