.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 {background: #3951dd!important; color: #fff!important;}
.dropdown-menu > li.show > a{color: #fff!important;}

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