Bootstrap dropdowns menus appearing behind other elements - IE7

I'm using Bootstrap 2.3.1

So I'm using their 'dropdown-menu' class to create some simple quick use dropdown menus, but for some reason onIE7they are appearing behind text and other elements on my site.

Test Link:

I added z-index to my CSS, but still doesn't seem to do anything, please help!

.header .header-nav ul#nav-account ul.dropdown-menu,
.header .header-nav ul#nav-library ul.dropdown-menu {
    z-index: 10000;

IE9, Chrome, FF and other modern no headache browsers:Bootstrap dropdowns menus appearing behind other elements - IE7

IE7 >:(
Bootstrap dropdowns menus appearing behind other elements - IE7


<div class="header-nav">

<ul id="nav-account" role="navigation" class="pull-right">

    <!-- Language Dropdown Button -->
    <li id="language-btn">
        <a href="#" id="drop1" class="dropdown-toggle" data-toggle="dropdown">English</a>
        <img src="img/header-small-down-arrow.png" alt="grey triangle"/><!-- <span class="grey_triangle"></span>-->

        <!-- Language Dropdown Menu-->
        <ul class="dropdown-menu" role="menu" aria-labelledby="drop1">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#">English</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Spanish</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#">German</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Japanese</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Chinese</a></li>

    <!-- User Dropdown Button -->
    <li id="account-btn">
        <a href="#" id="drop2" class="dropdown-toggle" data-toggle="dropdown">Logout</a>
        <img src="img/header-small-down-arrow.png" alt="grey triangle"/>
        <!-- <span class="grey_triangle"></span> -->

        <!-- User Dropdown Menu-->
        <ul class="dropdown-menu" role="menu" aria-labelledby="drop2">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="">Logout</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="#anotherAction">Account</a></li>

Its astacking contextissue!

Even though you are usingz-indexon the dropdown, it is only relative to elements in the same stacking context. You need to add az-indexand apositionto a parent element in order to get this to work. In this case I would recommend theheader-topdiv

You can only usez-indexon positioned elements (relative, fixed/absolute), so try adding:

.header .header-nav ul#nav-account ul.dropdown-menu,
.header .header-nav ul#nav-library ul.dropdown-menu {
    position: relative;
    z-index: 10000;

Check out the "append-to vs. append-to-body vs. inline example" on the newest version of UI-Bootstrap lib.

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