#tabs-tree-start .verticaltabs .format_onetopic-tabs .nav-item.disabled a.nav-link, #tabs-tree-start .nav-tabs .nav-item.disabled a.nav-link, #tabs-tree-start .onetopic-tab-body .nav-tabs .nav-item.disabled a.nav-link#tabs-tree-start .onetopic-tab-body .nav-tabs .nav-item.subtopic.disabled a.nav-link{background-color:#E6E7FE!important;} 