VeraCrypt/doc/html/styles.css

#menu {
    display: none;
}

#menu ul {
    list-style-type: none;
    margin: 0px auto;
    padding: 0;
    overflow: hidden;
    background-color: #08aad7;
}

#menu li {
    float: left;
}

#menu li a {
    display: block;
    color: white;
    text-align: center;
    padding: 16px;
    text-decoration: none;
}

#menu li a.active {
    background-color: #84c7b0;
}

#menu li a:hover {
    background-color: #111111;
}