body{
    margin: 0;
    padding: 0;
}

nav{
    display: block;
    Xbackground: #296889; /* was #333 */
    background: #000000; /* was #333 */
    font-family: sans-serif;
}

nav ul{
    margin: 0;
    padding: 0;
    float: right;
}

nav ul li{
    display: inline-block;
    float: left;
    position: relative;
}

nav ul li a{
    display: inline-block;
    padding: 15px 20px;
    color: #fff;  /* text colour - was #fff */
    text-decoration: none;
}

nav ul li a .fa{
    margin-right: 5px;
}

nav ul li a:hover{
    background: rgba(255,255,255,0.05);
}

nav:after{
    content: "";
    clear: both;
    display: block;
}

nav .toggle-nav{
    color: #fff;
    text-align: center;
    padding: 15px;
    display: none;
    cursor: pointer;
}

nav .toggle-nav:hover{
    background: rgba(255,255,255,0.05);
}

nav ul li ul{
    display: none;
    float: none;
    position: absolute;
    Xbackground: #326787; /* sub-menu was #222 */
    background: #000000; /* sub-menu was #222 */
    width: 230px; /* was 200px */
    font-size: 90%;
}

nav ul li:hover ul{
    display: block;
}

nav ul li ul li{
    display: block;
    float: none;
}

nav ul li ul li a{
    display: block;
}

@media (max-width: 600px){

    nav .toggle-nav{
        display: block;
    }

    nav{
        position: relative;
    }

    nav ul{
        float: none;
        width: 300px;
        height: 100%;
        position: fixed;
        left: -300px;
        Xbackground: #326787; /* sub-menu was #222 */
        background: #000000; /* sub-menu was #222 */
        transition: 200ms;
    }

    nav ul.open{
        left: 0;
    }

    nav ul li{
        display: block;
        float: none;
    }

    nav ul li a{
        display: block;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    nav ul li ul{
        position: static;
        Xbackground: #296889; /* mobile was #111 */
        background: #000000; /* mobile was #111 */
        width: 100%;
    }
}