Extra.css

body .subForumsPopup
{
    margin: 0;
    float: none;
}

body .subForumsPopup .blockLinksList2
{
    display: inline-table;
    width: 100%;
    box-sizing: border-box;
    word-spacing: -10px;
}

body .subForumsPopup .blockLinksList2 > li
{
    display: inline-block;
    word-spacing: 0;
    vertical-align: top;
}

body .subForumsPopup .blockLinksList2 .nodeTitle
{
    font-weight: normal;
}

body .subForumsPopup .blockLinksList2 .unread .nodeTitle
{
    font-weight: bold;
}

body .subForumsPopup .blockLinksList2 .nodeTitle a:before
{
    content: "";
}

body .subForumsPopup .blockLinksList2 li.node > .unread .nodeTitle a:before
{
    background: @primaryMedium;
}

.subForumsMenu .node .node
{
    display: none;
}

.blockLinksList2 a:hover, .blockLinksList2 a:focus, .blockLinksList2 li.kbSelect a, .blockLinksList2 label:hover, .blockLinksList2 label:focus, .blockLinksList2 li.kbSelect label
{
   text-decoration: underline !important;
   background: none !important;
}

.blockLinksList2 a, .blockLinksList2 label {
   padding: 1px 1px !important;
   border-radius: 0px !important;
   display: inline !important;
   margin-left: 10px;
}

div.subForumsMenu .subforums9 {
   margin: 2px 0 3px 5px;
   padding-left: 10px;
   background: url(http://content.community.invisionpower.com/public/style_images/master/subforum_stem.png) no-repeat left 4px;
}