.dropdown-item {
    color: #000000;
}

.dropdown .dropdown-menu {
    display: none;
    background: #fff;
}

.dropdown:hover > .dropdown-menu,
.dropend:hover > .dropdown-menu {
    display: block;
    margin-top: .1em;
    margin-left: .1em;
}

@media screen and (min-width:769px) {
    .dropend:hover > .dropdown-menu {
        position: absolute;
        top: 0;
        left: 100%;
    }

    .dropend .dropdown-toggle {
        margin-left: .5em;
    }
}