CSS Drop Down Menu not working properly

I followed a tutorial on YouTube (YouTube - CSS Horizontal Drop Down Menu - 1 of 2 which worked. I then attempted to add a sub sub menu but I can’t get it work properly. None of the sub menus work in IE.

You can see what is happening at Untitled and I have added all the code below.

I would be very grateful for any help.

KarenBW


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<div id="wrapper">
<div id="navMenu">
<ul>
    <li><a href="#">Home</a></li>
  <li><a href="#">About</a>
      <ul>
      <li><a href="#">Tribes</a></li>
      <li><a href="#">Staff</a></li>
      <li><a href="#">College Policies</a></li>
          <li><a href="#">Employment</a></li>
      <li><a href="#">Contact ASC</a></li>
      </ul><!-- end sub UL -->
    </li><!-- end main LI -->
      <li><a href="#">News and Events</a>
      <ul>
      <li><a href="#">Newsletter - Inside Out</a></li>
      <li><a href="#">Key Dates</a></li>
      <li><a href="#">Future Events</a></li>
      </ul><!-- end sub UL -->
    </li><!-- end main LI -->
      <li><a href="#">Teaching and Learning</a>
      <ul>
      <li><a href="#">Curriculum Overview</a>
              <ul>
        <li><a href="#">Years 7 and 8</a></li>
        <li><a href="#">Year 9</a></li>
        <li><a href="#">Year 10</a></li>
                <li><a href="#">VCE</a></li>
        <li><a href="#">Careers</a></li>
        <li><a href="#">Handbooks</a></li>
          </ul><!-- end sub sub UL -->
            </li>
      <li><a href="#">Curriculum</a></li>
                <ul>
        <li><a href="#">Years 7 and 8</a></li>
        <li><a href="#">Year 9</a></li>
        <li><a href="#">Year 10</a></li>
                <li><a href="#">VCE</a></li>
        <li><a href="#">Careers</a></li>
        <li><a href="#">Handbooks</a></li>
          </ul><!-- end sub sub UL -->
      <li><a href="#">Timetables</a></li>
          <li><a href="#">Term Dates</a></li>
      </ul><!-- end sub UL -->
    </li><!-- end main LI -->
      <li><a href="#">ASC Community</a>
      <ul>
      <li><a href="#">Parents and Friends</a></li>
      <li><a href="#">Canteen</a></li>
      </ul><!-- end sub UL -->
    </li><!-- end main LI -->
</ul><!-- end main UL -->
<br class="clearFloat" />
</div> <!-- end navMenu -->
</div> <!-- end wrapper -->
</body>
</html>


#navMenu {
    margin: 0;
    padding: 0;
}
#navMenu ul {
    margin: 0;
    padding: 0;
    line-height: 30px;
}
#navMenu li {
    margin: 0;
    padding: 0;
    list-style: none;
    float: left;
    position: relative;
    background: #999;
}
#navMenu ul li a {
    text-align: center;
    font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
    text-decoration: none;
    height: 30px;
    width: 200px;
    display: block;
    color: #fff;
    border: 1px solid #fff;
    text-shadow: 1px 1px 1px #000;
}
#navMenu ul ul {
    position: absolute;
    display: none;
    top: 32px;
}
#navMenu ul ul ul {
    position: absolute;
    display: none;
    top: 0;
    left: 0;
}
#navMenu ul li:hover ul{
    display: block;
}
#navMenu ul ul li:hover ul {
    display: block;
}
#navMenu li:hover {
    background: #09f;
}
#navMenu ul li:hover ul li a:hover {
    background: #ccc;
    color: #000;
}
#navMenu a:hover {
    color: #000;
}
.clearFloat {
    clear: both;
    margin: 0;
    padding: 0;
}

Hi Karen and welcome to Site Point!

You need to change the doctype, thats that FIRST LINE of code in the HTML… to
<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01//EN” “http://www.w3.org/TR/html4/strict.dtd”>

That should solve your problems in IE7 and up, IE6 is beyond repair however as it doesn’t recognize :hover on any element other than <a> without some javascript help … ( and its not valid to do a <a><a> so don’t even think about it :wink: )

Hope that resolves your problem.

Thank you very much. I had read that you needed a transitional DocType declaration and I looked at mine and thought it would be OK. I obviously got it wrong. Thank you very much for the help.

Karen BW