.sidebar-nav{padding:9px 0}.dropdown-menu .sub-menu{left:100%;position:absolute;top:0;visibility:hidden;margin-top:-1px}.dropdown-menu li:hover .sub-menu{visibility:visible}.dropdown:hover .dropdown-menu{display:block}.nav-pills .dropdown-menu,.nav-tabs .dropdown-menu,.navbar .dropdown-menu{margin-top:0}.navbar .sub-menu:before{border-bottom:7px solid transparent;border-left:none;border-right:7px solid rgba(0,0,0,.2);border-top:7px solid transparent;left:-7px;top:10px}.navbar .sub-menu:after{border-top:6px solid transparent;border-left:none;border-right:6px solid #fff;border-bottom:6px solid transparent;top:11px;left:-6px}