.dropdown-menu {margin-top: 0;}
.dropdown-menu .dropdown-toggle::after {vertical-align: middle; border-left: 4px solid; border-bottom: 4px solid transparent; border-top: 4px solid transparent;}
.dropdown-menu .dropdown .dropdown-menu {left: 100%; top: 0%; margin:0 20px; border-width: 0;}
.dropdown-menu .dropdown .dropdown-menu.left {right: 100%; left: auto;}
.dropdown-menu > li a:hover, .dropdown-menu > li.show {color: white;}
.dropdown-menu > li.show > a{color: white;}

@media (min-width: 768px) {
    .dropdown-menu .dropdown .dropdown-menu {margin:0; border-width: 1px;}
}