.dropdown-item {
    display: block;
    width: 100%;
    padding: 10px;

}

.dropdown-item:hover {
    text-decoration: none;
    background-color: lightgrey;
}

.dropdown-divider{
    height: 0;
    margin: 5px;
    overflow: hidden;
    border-top: 1px solid darkgray;
}

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu-toggle {
    background: transparent;
    border: 0;
    text-align: left;
}

.dropdown-submenu-arrow {
    float: right;
    padding-left: 25px;
}

.dropdown-submenu > .dropdown-menu.dropdown-submenu-menu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    right: auto;
    bottom: auto;
    margin-top: 0;
    margin-left: -1px;
}

.dropdown-submenu:hover > .dropdown-menu.dropdown-submenu-menu,
.dropdown-submenu:focus-within > .dropdown-menu.dropdown-submenu-menu {
    display: block;
}