JSFiddle - React, Tailwind, and code Playground

HTML

<a class="trigger" href="#"></a>

<div class='panel'>efef</div>
<div id='overlay'></div>

CSS

body {
    background: url(http://www.red-team-design.com/wp-content/uploads/2011/09/bg.png);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}
.panel {
    position: relative;
    z-index:9999;
    background-color:#9D0053;
    height:160px;
    padding:5px;
    margin:10px 0 0;
    display:none;
}
a.trigger {
    position: fixed;
    top: 170px;
    width: 35px;
    height: 35px;
    background-image: url(http://urang-kurai-x31.googlecode.com/svn/trunk/CM/UK/image/spirt-1.png);
    background-position: 35px 0px;
    z-index:9999;
}
a.trigger:hover {
}
a.active {
    background-image: url(http://urang-kurai-x31.googlecode.com/svn/trunk/CM/UK/image/spirt-1.png);
    background-position: 35px 140px;
}
#overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: rgba(100, 100, 101, 0.55);
    background-image: none;
    display: none;
}

JavaScript

$(document).ready(function () {
    $(".trigger").click(function () {
        $(".panel").toggle("slow");
        $('#overlay').fadeToggle();
        $(this).toggleClass("active");
    });
});