.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    -webkit-box-shadow: 0 8px 16px 0 rgba(0,0,0,.2);
    box-shadow: 0 8px 16px 0 rgba(0,0,0,.2);
    z-index: 1;
    white-space: nowrap;
}

    .dropdown-content a {
        color: #000;
        padding: 8px 12px;
        text-decoration: none;
        display: block;
    }

        .dropdown-content a:hover {
            background-color: #3d7199;
            color: #fff;
        }

.dropdown-item:hover .dropdown-content {
    display: block;
}

.dropdown-item:hover .dropdown-label {
    background-color: #3d7199;
}