.dropdown:hover>.dropdown-menu {
                      display: block;
                    }
                    .dropdown>.dropdown-menu {
                      top: 0;left: 100%;
                      border-radius: 0;
                      border: 1px solid rgba(0,0,0,.15);
                    }
              .dropdown:hover .multi-level{
                display: block;
              }
              .dropdown-submenu {
                  position: relative;
              }

              .dropdown-submenu>.dropdown-menu {
                  top: 0;
                  left: 100%;
                  margin-top: -6px;
                  margin-left: -1px;
                  -webkit-border-radius: 0 0 0 0;
                  -moz-border-radius: 0 0 0 0;
                  border-radius: 0 0 0 0;
              }

              .dropdown-submenu:hover>.dropdown-menu {
                  display: block;
              }

              .dropdown-submenu>a:after {
                  display: block;
                 /* content: " ";*/
                  float: right;
                  width: 0;
                  height: 0;
                  border-color: transparent;
                  border-style: solid;
                  border-width: 5px 0 5px 5px;
                  border-left-color: #ccc;
                  margin-top: 5px;
                  margin-right: -10px;
              }

              .dropdown-submenu:hover>a:after {
                  border-left-color: #fff;
              }

              .dropdown-submenu.pull-left {
                  float: none;
              }

              .dropdown-submenu.pull-left>.dropdown-menu {
                  left: -100%;
                  margin-left: 10px;
                  -webkit-border-radius: 0 0 0 0;
                  -moz-border-radius: 0 0 0 0;
                  border-radius: 0 0 0 0;
              }