.dropdown {
    position: absolute;
    min-height: 25px;
    top: 0;
    right: 0;
}

.dropdown-btn {
    font-size: 20px;
    padding: 15px;
}

.dropdown-content {
    background-color: black;
    margin: 1px;
    border-top: 1px solid darkgreen;
    align: left;
    display: none;
    min-width: 150px;
}

.dropdown-content a {
    padding: 7px 35px;
    display: block;
}

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

 .dropdown-content a:hover {
    background-color: darkgreen;
}