nav {
    background: #666666;
    position: relative;
    margin: 20px auto 0px;
    text-align: left;
    height: 60px;
}

nav a {
    text-decoration: none;
}

nav > div > ul {
    padding: 9px 5px 0 0px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

nav > div > ul > li {
    display: inline-block;
    font-size: 14px;
    padding: 0 20px;
    position: relative;
}

nav > div > ul > li > a {
    color: #dddddd;
    display: block;
    padding: 10px 0;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    z-index: 100;
}

/*nav > div > ul > li.active {
    background: #777777;
}
*/
nav > div > ul > li.active > a {
    /*color: #3399FF;*/
    border-bottom: 3px solid #3399FF;
}

nav > div > ul > li:hover > a {
    color: #3399FF;
    border-bottom: 3px solid #3399FF;
    transition: all 0.3s ease;
    z-index: 120;
}

nav > div > ul > li:hover .menu-dropdown {
    visibility: visible;
    z-index: 120;
}

nav .menu-dropdown {
    visibility: hidden;
    position: absolute;
    white-space: nowrap;
    list-style: none;
    background: #777777;
    z-index: 120;
}

nav ul.menu-dropdown {
    padding: 5px;
}

nav .menu-dropdown > li a {
    color: #eeeeee;
    display: block;
    padding: 10px;
    border-left: 3px solid transparent;
    min-width: 100px;
}

nav .menu-dropdown > li:hover {
    border-left: 3px solid #3399FF;
}

#hamburger {
    display: none;
}

div.brand {
    display: none;
}

.brand {
    font-family: Tahoma, Verdana, sans-serif;
    font-size: 20px;
    color: black;
    padding-top: 8px;
    padding-right: 64px;
}

@media screen and (max-width: 1080px) {
    #hamburger {
        display: inline;
        color: #dddddd;
        margin-top: 10px;
    }

    #hamburger:hover {
        color: #3399FF;
    }

    nav > div {
        display: flex;
        flex-direction: row;
        justify-content: start;
    }

    nav > div > ul {
        padding: 0 10px 0 10px;
        display: none;
        position: absolute;
        left: 0;
        top: 60px;
        flex-direction: column;
        justify-content: start;
        max-width: 200px;
        margin-left: 0;
        margin-right: auto;
        margin-top: 0;
        background: #3f3f3f;;
    }

    nav > div > ul.active {
        display: flex;
    }

    nav ul.menu-dropdown {
        margin-top: -14px;
        margin-left: 10px;
        padding: 5px;
    }

    nav ul > li.brand {
        display: none;
    }


    nav div.brand {
        display: flex;
        margin-top: 10px;
    }

    nav .brand {
        padding-left: 20px;
    }

}

/* ---------scrolltop --------------------*/
/* gebaseerd op https://codepen.io/DAUFahnder/pen/PomaBMQ*/

.scrollToTopBtn {
    cursor: pointer;
    /* place it at the bottom right corner */
    position: fixed;
    bottom: 60px;
    right: 60px;
    /* keep it at the top of everything else */
    z-index: 100;
    /* hide with opacity */
    opacity: 0;
    /* add a transition */
    transition: opacity .5s ease
}

.showBtn {
    opacity: 1;
}

.scrollToTopBtn svg {
    display: block;
    border-radius: 50%;
    width: 100%;
    height: 100%;
}

.scrollToTopBtn #scrolltop-bg {
    fill: #3399FF;
}

.scrollToTopBtn #scrolltop-arrow {
    fill: white;
}

.scrollToTopBtn a:hover #scrolltop-bg {
    fill: #3399FF;
}

.scrollToTopBtn a:hover #scrolltop-arrow {
    fill: gray;
}