.dropdown-submenu {
    position: relative;
}

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

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

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

.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: 6px 0 6px 6px;
    -moz-border-radius: 6px 0 6px 6px;
    border-radius: 6px 0 6px 6px;
}
 

@media (min-width: 767px) {
    .caret-right {
        width: 0; 
        height: 0; 
        border-top: 4px solid rgba(0, 0, 0, 0);
        border-bottom: 4px solid rgba(0, 0, 0, 0);
        border-left: 4px solid #777777;
    }
}