body {
    font-family: sans-serif;
}

nav#top {
    background-color: dimgray; 
}

nav#top ul {
    display: flex; 
    list-style-type: none;
}

nav#top ul li {
    padding: 1em 0;
}

nav#top ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5em 1em;
}

nav#top ul li a:hover {
    background-color: #555; 
    text-decoration: revert;
}