Problema con Menu

by paska

HTML

<button id="btn1">Show</button>
<button id="btn2">Hide</button>
<ul>
    <li><a href="default.asp">Home Home Home</a>
    </li>
    <li><a class="ln-simple" href="news.asp">News</a>
    </li>
    <li><a href="contact.asp">Contact Contact</a>
    </li>
    <li><a class="ln-simple" href="about.asp">About</a>
        <div class="container"></div>
    </li>
</ul>

CSS

li {
    display:table;
    border:1px solid red;
    z-index: 0;
}
a {
    display:table-cell;
    text-align:center;
    border:1px solid green;
}

div.container {
    display: none;
    position: absolute;
    left: 0px;
    margin-top: 40px;
    border: 1px solid blue;
    width: 100px;
    height: 150px;
    z-index: 1;
}

JavaScript

$("#btn1").on("click", function() {
    $(".container").show();
});

$("#btn2").on("click", function() {
    $(".container").hide();
});