/* Basic settings */
#TreeMenu .ui-li-static.ui-collapsible {
    padding: 0;
}
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-heading {
    margin: 0;
}
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content {
    padding-top: 0;
    padding-bottom: 0;
    padding-right: 0;
    border-bottom-width: 0;
}
/* collapse vertical borders */
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview > li.ui-last-child,
#TreeMenu .ui-li-static.ui-collapsible.ui-collapsible-collapsed > .ui-collapsible-heading > a.ui-btn {
    border-bottom-width: 0;
}
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview > li.ui-first-child,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview > li.ui-first-child > a.ui-btn,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-heading > a.ui-btn {
    border-top-width: 0;
}
/* Remove right borders */
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-heading > a.ui-btn,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview > .ui-li-static,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content > .ui-listview > li > a.ui-btn,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content {
    border-right-width: 0;
}
/* Remove left borders */
/* Here, we need class ui-listview-outer to identify the outermost listview */
#TreeMenu .ui-listview-outer > .ui-li-static.ui-collapsible .ui-li-static.ui-collapsible.ui-collapsible,
#TreeMenu .ui-listview-outer > .ui-li-static.ui-collapsible > .ui-collapsible-heading > a.ui-btn,
#TreeMenu .ui-li-static.ui-collapsible > .ui-collapsible-content {
    border-left-width: 0;