.header {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 4;
    width: 100%;
    height: 70px;
    font-size: 15pt;
    font-weight: 600;
    background: rgb(0, 0, 0);
    color: #fff;
    /*opacity: 0.5;*/
    /*outline: solid red 1px;*/
}

.header-platzhalter {
    height: 70px;
    width: 100%;
}



#nav-container {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100%;
    pointer-events: none;
    z-index: 8;
}

#nav-container .bg {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    visibility: hidden;
    opacity: 0;
    transition: 0.3s;
    background: #000;
}

#nav-container:focus-within .bg {
    visibility: visible;
    opacity: 0.4;
}


#nav-container * {
    visibility: visible;
    /*border: solid 1px red;*/
}

.button {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    -webkit-appearance: none;
    border: 0;
    background: transparent;
    border-radius: 0;
    height: 70px;
    width: 30px;
    cursor: pointer;
    pointer-events: auto;
    margin-left: 5px;
    padding-left: 20px;
    padding-right: 20px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    /*border: solid 1px red;*/
}

.icon-bar1,
.icon-bar2,
.icon-bar3 {
    display: block;
    width: 100%;
    height: 3px;
    background: #aaa;
    transition: 0.3s;
}

.icon-bar2,
.icon-bar3 {
    margin-top: 5px;
}




#nav-container:focus-within .button {
    pointer-events: none;
}

#nav-container:focus-within .icon-bar1 {
    transform: translate3d(0, 8px, 0) rotate(135deg);
}

#nav-container:focus-within .icon-bar2 {
    /*opacity: 0.0;*/
    /*transform: translate3d(0, 0px, 0) rotate(135deg);*/
    transform: scaleX(0);
}

#nav-container:focus-within .icon-bar3 {
    transform: translate3d(0, -8px, 0) rotate(-135deg);
}




#nav-content {
    position: absolute;
    top: 0;
    left: 0;
    margin-top: 70px;
    padding: 0px;
    width: 90%;
    max-width: 200px;
    height: calc(100vh - 70px);
    font-weight: 600;
    background: #ececec;
    pointer-events: auto;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    transform: translateX(-100%);
    transition: transform 0.3s;
    will-change: transform;
    contain: paint;
    opacity: 0.95;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /*outline: solid 1px red;*/
}

.nav-links-liste {
    margin: 20px;
    margin-bottom: 70px;
    padding: 0;
    /*outline: solid 1px blue;*/
}

.nav-links-liste div a {
    margin: 0;
    padding: 10px 5px;
    display: block;
    font-weight: 1000;
    text-transform: uppercase;
    transition: 0.2s ease-in-out;
    color: currentColor;
    /*border: solid red 1px;*/
}

.nav-links-liste div .spacer {
    padding: 0;
    margin: 0;
    display: block;
    width: 100%;
    height: 2px;
    background-color: black;
}

.nav-links-liste+#small {
    display: flex;
    align-self: center;
}

.nav-links-liste+#small a {
    font-size: 12px;
    font-weight: 1000;
    color: #888;
    /*outline: solid red 1px;*/
}


.nav-links-liste div a:hover {
    /*color: rgb(139, 70, 0);*/
    color: rgb(256, 256, 256);
    font-weight: 1000;
    background-color: rgba(0, 0, 0, 0.5);
}

.nav-links-liste+#small a:hover {
    color: rgb(256, 256, 256);
    /*outline: solid red 1px;*/
}


#nav-container:focus-within #nav-content {
    transform: none;
}

.nav-links-liste div a,
.nav-links-liste div a:visited,
.nav-links-liste div a:focus,
.nav-links-liste div a:active,
.nav-links-liste div a:link {
    text-decoration: none;
    outline: 0;
}

.nav-links-liste-menu2 {
    display: none;
    height: 0px;
    transition: 0s;
}





@media (min-width: 900px) {

    .header {
        position: fixed;
        align-items: center;
        height: 60px;
        font-size: 20pt;
        text-decoration: underline;
    }

    .header-platzhalter {
        height: 145px;
        width: 100%;
    }

    #nav-container {
        z-index: 3;
        position: fixed;
        height: auto;
        top: 60px;
        width: 100%;
        margin: 0px;
        padding: 0px;
        /*transform: translateY(-100%);
    transition: transform 0.3s;
    will-change: transform;*/
    }

    .bg,
    .button,
    .icon-bar1,
    .icon-bar2,
    .icon-bar3,
    .spacer-box,
    .nav-links-liste+#small,
    .nav-links-liste-menu1 {
        display: none;
        height: 0px;
        transition: 0s;
    }

    .nav-links-liste-menu2 {
        display: block;
    }

    #nav-content {
        position: static;
        margin: 0px;
        padding: 0px;
        width: 100%;
        max-width: 100%;
        height: 85px;
        font-weight: 600;
        background-color: rgb(0, 0, 0);
        pointer-events: auto;
        transform: none;
        transition: none;
        will-change: auto;
        opacity: 1;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .nav-links-liste {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
        width: 1050px;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .nav-links-liste div a {
        display: static;
        margin: 0;
        padding: 10px;
        color: rgb(256, 256, 256);
        transition: 0.2s ease-in-out;
    }

    .nav-links-liste div a:hover {
        display: static;
        color: rgb(0, 0, 0);
        background-color: rgb(256, 256, 256);
    }

    #nav-container:focus-within #nav-content {
        transform: none;
    }

}