nav {
    position: absolute;
    top: 1.6em;
    right: 0.8em;
    
    box-shadow: 10px 5px 5px lightgray;
    font-size: 150%;

    display: none; /* flex on 2-cols */

    justify-content: space-between;
    align-items: flex-end;
    flex-grow: 1;

    background-color: var(--black);
    color: white;

    z-index: 3;
}

nav ul {
    display: flex;
    flex-direction: column;
    list-style-type: none;
    margin: 0.2em;
    padding: 0.2em;
}
nav ul li {
    margin-right: 1em;
}

nav ul li a {
    background-color: var(--black);
    color: white;
    font-weight: bold;
    text-decoration: none;
}