Question

I’m creating a horizontal navigation bar. Here’s its CSS:

#topnav {
    clear: both;
    overflow: hidden;
    display: table;
}

#topnav ul {
    display: table-row;
}

#topnav ul li {
    display: table-cell;
    vertical-align: middle;
    background: #1b4260;
    position: relative;
}

#topnav a {
    display: block;
    color: white;
    padding: 10px 0px 15px 10px;
    font-size: 14px;
    width: 100px;
    text-align: center;
}

#topnav ul li+li:before{
    content: "*";
    position: absolute;
    top: 11px;
    color: #ff0000;
    float: left;
}

And here’s the HTML:

<p>---</p>
<p>---</p>
<div id="topnav">
    <ul>
        <li>
            <a href="blah">Item 1</a>
        </li>
        <li>
            <a href="blah">Item 2</a>
        </li>
        <li>
            <a href="blah">Item 3</a>
        </li>
    </ul>
</div>

This creates a navigation bar with little asterisk separators. It looks fine in every browser…

… except Firefox. Firefox ignores “position: absolute” on the generated content:

Why would it do that? Am I doing something wrong with my CSS?

Answer 1

You need to position the ul also:

#topnav ul {
    display: table-row;
    position:absolute;
}

See here: http://jsfiddle.net/k5hVP/1/