JSFiddle - React, Tailwind, and code Playground
HTML
<ul id="social">
<li><a class="rss" href="#"></a>
<!-- icon -->
<div id="tiprss" class="tip">
<!-- tooltip -->
<ul>
<li><a href="#">580 Readers</a></li>
<li><a href="#"><small>[Subscribe]</small></a></li>
</ul>
</div>
</li>
</ul>
<br />
<div id="inTip">hover content shows here</div>
CSS
#inTip { background:#ccc; padding:10px; }
JavaScript
$('#social li').bind('mouseover',function(e){
$('#inTip').html($(this).find('.tip').html());
});
$('#social li').bind('mouseout',function(e){
$('#inTip').html('');
});