JSFiddle - React, Tailwind, and code Playground
by Florian Gropp
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<form>
<div class="input-group">
<span class="input-group-addon" href="#" data-toggle="popover" data-trigger="hover" title="Sprache auswählen!" data-content="Hier können Sie ihre präferierte Sprache wählen." style="background-color:transparent;border-width:0 2px 0 0;border-style:solid;border-color:#000;">
<i class="glyphicon glyphicon-globe"></i>
</span>
<select class="form-control" style="width:64px;">
<option>DE</option>
<option>EN</option>
</select>
</div>
</form>
JavaScript
$(document).ready(function(){
$('[data-toggle="popover"]').popover();
});