.dropdown-submenu {
    position: relative !important;
}

    .dropdown-submenu > .dropdown-menu {
        top: 0 !important;
        left: 100% !important;
        margin-top: -6px !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 !important;
    }

    .dropdown-submenu > a:after {
        display: block !important;
        content: " " !important;
        float: right !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-right: -10px !important;
    }

    .dropdown-submenu:hover > a:after {
        border-left-color: !important;
    }

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

        .dropdown-submenu.pull-left > .dropdown-menu {
            left: -100% !important;
            margin-left: 10px !important;
            -webkit-border-radius: 6px 0 6px 6px !important;
            -moz-border-radius: 6px 0 6px 6px !important;
            border-radius: 6px 0 6px 6px !important;
        }