SO fiddle
Test Fiddle mainly for SO Questions
by Nick Craver
HTML
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<p class="warning">A successful authorization already exists.
Further authorizations are not allowed at this time.</p>
CSS
.warning{border: 1px solid #F0AAAA; background:#FFBABA; color: #C90000;}
JavaScript
$(function () {
$(".warning").hide().fadeIn(4000); // DOESN'T WORK
});