3rd Level Drop Down Troubleshoot

3rd Level Dropdown doesn’t work, here is the code:

#access {
    background: none repeat scroll 0 0 transparent;
    float: right;
    height: 35px;
    margin: 20px 0 0;
    position: absolute;
    right: 0;
}
#access .menu-header, div.menu {
    font-size: 12px;
    margin-left: 12px;
}
#access .menu-header ul, div.menu ul {
    list-style: none outside none;
    margin: 0;
    padding: 0;
}
#access .menu-header li, div.menu li {
    float: left;
    margin: 0 0 0 15px;
    position: relative;
    z-index: 40;
}
ul#menu-header-menu li a {
    height: 42px;
}
#access a {
    color: #999999;
    display: block;
    font-weight: bold;
    position: relative;
    text-decoration: none;
    text-transform: uppercase;
}
#access ul.sub-menu li {
    font-size: 11px;
    margin: 0;
}
#access ul.sub-menu {
    border: 1px solid #F9F9F9;
    display: none;
    left: 0;
    position: absolute;
    top: 38px;
    z-index: 1000;
}
#access ul ul {
    -moz-transition: opacity 0.5s ease-in-out 0s;
    position: absolute;
    top: -9999em;
}
#access ul ul li {
    min-width: 160px;
}
#access ul ul li ul {
    right: 100%;
    top: -2px;
}
#access ul ul ul {
    -moz-transition: opacity 0.5s ease-in-out 0s;
    right: 160px;
    top: 0;
}
#access ul ul a {
    background: none repeat scroll 0 0 #FFFFFF;
    display: block;
    font-size: 12px;
    font-weight: normal;
    height: auto;
    line-height: 1em;
    min-width: 160px;
    padding: 10px;
    text-transform: capitalize;
}
#access li:hover > a, #access ul ul *:hover > a {
    -moz-transition: color 0.4s linear 0s;
    color: #666666;
}
#access ul li:hover > ul {
    display: block;
}
#access ul li.current_page_item > a, #access ul li.current-menu-ancestor > a, #access ul li.current-menu-item > a, #access ul li.current-menu-parent > a {
    color: #666666;
}
* html #access ul li.current_page_item a, * html #access ul li.current-menu-ancestor a, * html #access ul li.current-menu-item a, * html #access ul li.current-menu-parent a, * html #access ul li a:hover {
    color: #666666;
}

Just need some help getting the 3rd level to work, thanks.