.dropdown .dropdown-relative {
    position: relative;
    top: -30px;
    left: 0;
}

.dropdown ul.dropdown-menu {
    left: 0;
    right: 0;
    top: -100%;
    position: absolute;
    z-index: 1;
    background-color: white;
    padding: 5px;
    display: none;
    border: 1px solid lightgray;
    max-height: 200px;
    overflow: auto;
}


.dropdown.open ul.dropdown-menu {
    display: inline;
}

.dropdown ul.dropdown-menu li:hover {
    background-color: lightblue;
}

.dropdown ul.dropdown-menu li a {
    cursor: default;
    color: black;
}