.content {
    border-radius: 10px;
    box-shadow: 4px 4px 5px blue;
    font-family: Helvetica, Arial, sans-serif;
    padding: 8px;
    background-color: lightgreen;
    overflow: hidden;
}
.content li {
    display: inline;
    padding: 8px;
}
.dropdown {
    display: inline-block;
}
.dropdown-content {
    position: absolute;
    display: none;
    z-index: 1000;
}
.dropdown:hover .dropdown-content {
    display: block;
    background-color: lightblue;
    padding: inherit;
    left: 90px;
    border-radius: 0 10px 10px 10px;
    animation: dropdn 0.5s ease;
}
.dropdown-content li {
    float: left;
    clear: left;
}
a {
    color: blue;
    text-decoration: none;
    font-weight: bold;
}
.dropdown-content li, .dropdown-content a {
    color: green;
    font-weight: bold;
}
#contact .dropdown-content {
    left: 176px;
}
@keyframes dropdn {
    from {transform: translate(0, -50%); opacity: 0;}
    to {transform: translate(0, 0); opacity: 1;}
}