#tabs-tree-start .verticaltabs .format_onetopic-tabs .nav-item a.nav-link.active, #tabs-tree-start .nav-tabs a.nav-link.active, #tabs-tree-start .onetopic-tab-body .nav-tabs a.nav-link.active, #tabs-tree-start .onetopic-tab-body .nav-tabs .nav-item.subtopic a.nav-link.active{background-color:#050000!important;}