/* Remove all link text decorations */
a {
    text-decoration: none;
    color: inherit;
}
hr {
    margin: 0;
    padding: 0;
}
nav#subnav {
    display: flex;
    align-items: center;
    background-color: #bdbdbd80;
    margin: -10px -10px 10px -10px;
}

nav#subnav a {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    color: inherit;
    text-decoration: none;
    transition: background 0.2s;
}

nav#subnav a:hover {
    background: #f0f0f0;
    border-radius: 4px;
}