/* Style the navigation menu */
.topnav {
    overflow: hidden;
    background-color: #333;
    position: fixed;
    right: 0;
    opacity: 0.7;
}

/* Hide the links inside the navigation menu (except for logo/home) */
.topnav #navLinks {
    display: none;
}

/* Style navigation menu links */
.topnav a {
    color: #fff;
    padding: 1em 1em;
    text-decoration: none;
    font-size: 1em;
    display: block;
}

/* Style the hamburger menu */
.topnav a.icon {
    background: black;
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 9999;
}

/* Add a grey background color on mouse-over */
.topnav a:hover,
.topnav a:focus {
    background-color: #ddd;
    color: black;
}

/* Style the active link (or home/logo) */
.active {
    background-color: transparent;
    color: white;
}