nav {
    font-size: 25px;
    font-family: "Roboto Mono", monospace;
}

nav ul {
    list-style-type: none;
    text-align: initial;
    margin: 0;
    padding: 15px;
    text-align: right;
}

nav ul li {
    padding: 5px;
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: inherit;
}

nav ul li a:hover, nav ul .key-selected {
    text-decoration: underline;
    color: #000;
}

@media only screen and (max-width: 600px) {
    nav ul {
        text-align: center;
    }
}