body {
    font-family: "Futura", "Gill Sans", "Helvetica Neue", "Arial", sans-serif;
    font-size: 16px;
    z-index: 0;
    box-sizing: border-box;
}

.background {
    background: -moz-linear-gradient(left,  #931fab 0%, #1db324 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,#931fab), color-stop(100%,#1db324)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(left,  #931fab 0%,#1db324 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(left,  #931fab 0%,#1db324 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(left,  #931fab 0%,#1db324 100%); /* IE10+ */
    background: linear-gradient(to right,  #931fab 0%,#1db324 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#931fab', endColorstr='#1db324',GradientType=1 ); /* IE6-9 */
}

.container {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
}

.sidebar {
    flex-grow: 1;
    -webkit-flex-grow: 1;
    max-width: 200px;
    z-index: 10;
}

.container main {
    flex-grow: 40;
    -webkit-flex-grow: 40;
    margin: 0 80px;
}

.container main article mark {
    font-size: 32px;
    background: transparent;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 10px;
}

.sidebar ul li {
    margin-bottom: 20px;
}

.sidebar ul li a {
    font-size: 20px;
    text-decoration: none;
    color: #000;
    display: -webkit-flex;
    display: flex;
    border-radius: 36px;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    align-items: center;
    -webkit-align-items: center;
    flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    background: rgba(255, 255, 255, 0.84);
    -webkit-transition: background 0.15s;
    -moz-transition: background 0.15s;
    -ms-transition: background 0.15s;
    -o-transition: background 0.15s;
    transition: background 0.15s;
}

.sidebar ul li a:hover {
    background: rgba(255, 255, 255, 1);
}

.sidebar ul li a .description {
    padding: 10px;
}

.sidebar ul li a i {
    background: #ffffff;
    font-size: 32px;
    padding: 10px;
    border-radius: 50%;
    display: -webkit-inline-flex;
    display: inline-flex;
    width: auto;
}

.sidebar ul li:nth-child(2n) a {
    -webkit-flex-direction: row-reverse;
    flex-direction: row-reverse;
}

.sidebar .abteilung ul li a i{
    background: #ff2432;
}

.sidebar .abteilung ul li a {
    border: 3px solid #ff2432;
}

.sidebar .stufen ul li a i{
    background: #1db324;
}

.sidebar .stufen ul li a {
    border: 3px solid #1db324;
}

.sidebar .kontakt ul li a i{
    background: #0860fb;
}

.sidebar .kontakt ul li a {
    border: 3px solid #0860fb;
}

.sidebar .infos ul li a i{
    background: #931fab;
}

.sidebar .infos ul li a {
    border: 3px solid #931fab;
}

iframe {
    width: 100%;
    height: 600px;
}

@media screen and (max-width: 1000px) {
    .container main {
        margin: 0 20px;
    }

    .sidebar.right ul li a{
        right: 0;
    }

    .sidebar.left ul li a{
        left: 0;
    }

    .sidebar .description {
        display: none;
    }

    .sidebar ul li {
        position: relative;
        height: 58px;
        min-width: 58px;
    }

    .sidebar ul li a {
        position: absolute;
    }

    .sidebar ul li a:hover {
        min-width: 190px;
        z-index: 300;
    }

    .sidebar ul li:nth-child(n) a {
        -webkit-flex-direction: row;
        flex-direction: row;
    }

    .sidebar ul li a:hover .description {
        display: -webkit-flex!important;
        display: flex!important;
    }
}

@media only screen
and (max-width: 667px) {
    .sidebar {
        max-width: 100%;
        order: 1;
    }
    .sidebar section {
        display: flex;
    }
    .sidebar ul {
        display: -webkit-flex;
        display: flex;
        -webkit-justify-content: space-around;
        justify-content: space-around;
    }
    .sidebar ul li {
        display: none;
        margin-bottom: 0px;
        width: 58px;
    }
    .sidebar ul li:first-child {
        display: flex;
        display: -webkit-flex;
    }
    .container main {
        margin: 5px;
        order: 2;
    }
}