#keyvisual > div {
    background: url("../resources/RiderMan 2018-1.jpg") 40% 60%/100% no-repeat;
    display: block;
    height: 100%;
}

#keyvisual #key_visual2 {
    background-image: url("../resources/RiderMan 2018-2.jpg");
    background-position: 40% 80%;
    /* background-size: 110% */
}

#keyvisual #key_visual3 {
    background-image: url("../resources/Eisenberg 2018.jpg");
    background-position: 0 -24px;
}

#main_nav {
    margin: 0;
    position: absolute;
    width: 100%;
    padding: 0;
    list-style-type: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

#main_nav li {
    flex: 1 0 120px;
    margin: 6px 4px;
    font-size: 14px;
}

#main_nav a {
    background-color: #ffffff80;
    box-shadow: 2px 4px 4px 2px #00000040;
    border-radius: 4px;
    white-space: nowrap;
    margin: 0;
    padding: 6px 8px;
    display: block;
    line-height: 22px;
    text-align: center;
    font-family: Verdana, sans-serif;
}

#main_nav li.active-item a,
#main_nav li.parent-item a {
    background-color: #ffffffd0;
    box-shadow: 2px 4px 4px 2px #000000a0;
}

#main_nav li.active-item a {
    pointer-events: none;
    cursor: default;
}

#main_nav li a:hover {
    background-color: #99003380;
    box-shadow: 2px 4px 4px 2px #00000060;
    color: #f9f8f8;
}

#main_nav li.active-item a:hover, #main_nav li.parent-item a:hover {
    background-color: #990033d0;
}

#main_nav li.active-item a, #main_nav li.parent-item a {
    font-weight: bold;
}

#main_container {
    margin-top: -20px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    flex-wrap: nowrap;
    column-gap: 16px;
}

#main_container > * {
    background-color: #fcfafa;
    box-shadow: 2px 4px 4px 2px #00000060;
    padding: 0;
    border-radius: 8px;
}

#main_container li {
    text-align: left;
    margin-bottom: 8px;
}

#main_container nav.left {
    background-color: #f2efef;
    overflow: hidden;
    flex: 1 0 160px;
}

#main_container nav.left h1, #main_container nav.left h2, #main_container nav.left h3 {
    padding: 0;
    margin: 16px 0 8px 16px;
}

#main_container nav.left ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 18px;
}

#main_container nav.left li {
    margin: 0;
    padding: 0;
    font-variant: small-caps;
    line-height: 1.25em;
}

#main_container nav.left li:hover {
    background-color: #e1dbda;
}

#main_container nav.left li.empty {
    height: 12px;
    pointer-events: none;
    cursor: default;
}

#main_container nav.left li a {
    padding: 6px 8px 6px 16px;
    display: block;
}

#main_container nav.left li:last-child a {
    padding-bottom: 20px;
}

#content_container {
    flex: 3 0 320px;
    position: relative;
}

#content_container p.header {
    margin-bottom: 16px;
}

#content_container p.disclaimer {
    font-style: italic;
}

#content_container .disabled {
    color: #8C7A99;
    text-decoration: line-through;
}

#pagetitle {
    position: absolute;
    top: -88px;
    left: 0;
    background: rgb(255, 255, 255, 0.75);
    border-radius: 16px;
    box-shadow: 0 2px 8px 0 rgb(0 0 0 / 30%);
    padding-top: 0;
    min-width: 400px;
}

#pagetitle h1 {
    color: #990033;
    font-variant: small-caps;
    font-size: 32px;
}

#content_container h1, #content_container h2, #content_container h3,
#content_container p {
    padding: 0;
    margin: 16px 16px 8px 32px;
}

#content_container ul {
    margin: 12px 16px 4px 0;
    padding-left: 32px;
    clear: both;
}

#content_container li {
    list-style-type: circle;
}

#main_container #footer {
    position: absolute;
    left: -16px;
    bottom: 0;
    background-color: #fffffff0;
    margin: 0;
    padding: 0;
    border-radius: 0 0 4px 4px;
    box-shadow: none;
    transform: rotate(270deg) translateY(50px);
    transform-origin: bottom left;
    height: 50px;
}

#content_container #footer {
    position: relative;
    left: 0;
    height: auto;
    transform: none;
}

#footer p {
    font-weight: bold;
    text-decoration: none;
    color: #706560;
    margin: 0;
    padding: 16px;
}

#main_container.full {
    display: block;
}

.full #content_container {
    flex: none;
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
    border-collapse: collapse;
    text-align: justify;
}

.full #content_container h1, .full #content_container h2, .full #content_container h3 {
    clear: left;
    margin: 12px 0 8px 0;
}

.full #content_container p {
    margin: 12px 0 8px 0;
}

.full #content_container ul {
    padding-left: 16px;
}

.small, #content_container.small, #content_container .small {
    font-size: 0.9em;
    vertical-align: baseline;
}

#content_container img {
    border: 0 none;
    float: left;
    clear: left;
    margin: 4px 12px 4px 0;
    max-width: 100%;
}

#content_container img.right {
    float: right;
    clear: right;
    margin: 4px 0 4px 12px;
}

#content_container img.row {
    clear: none;
}

#content_container .borderless-image {
    width: 100%;
    overflow: hidden;
}

#content_container .borderless-image.content-start {
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

#content_container .borderless-image.content-end {
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}

#content_container .borderless-image img {
    width: 100%;
    margin: 0;
}

#content_container .eingerueckt {
    padding-left: 24px;
}

div.home {
    clear: both;
    text-align: center;
    padding: 8px;
}

#content_container .home a {
    font-size: 1.75em;
    font-weight: bold;
    text-decoration: underline;
    text-align: center;
}

#content_container ul.links li {
    font-weight: bold;
}

.full hr {
    clear: both;
    margin-top: 12px;
    margin-bottom: 12px;
    padding: 0;
}

@media only screen and (max-width: 768px) {
    #pagetitle {
        position: static;
        border-radius: 0;
        box-shadow: none;
        padding: 0;
        min-width: unset;
    }

    #main_container {
        margin: -20px 0 0 0;
        display: block;
    }

    #main_container > * {
        position: static;
        border-radius: 0;
    }

    #main_container nav.left {
        margin-bottom: 8px;
    }

    #main_container nav.left ul {
        font-size: 20px;
    }
    #content_container {
        padding: 16px 16px 0 16px;
    }

    #content_container .borderless-image.content-start, #content_container .borderless-image.content-end {
        border-radius: 0;
    }

    #content_container h1, #content_container h2, #content_container h3, #content_container p {
        margin: 4px 8px 4px 16px;
    }

    #content_container ul {
        padding-left: 16px;
    }

    #content_container h1, #content_container h2, #content_container h3, #content_container p {
        margin: 8px 0 6px 0;
    }

    #main_container #footer {
        transform: none;
        width: 100%;
        height: auto;
    }

    #main_container #footer p {
        margin: 0;
    }

    .small, #content_container.small, #content_container .small {
        font-size: 1em;
    }
}

@media only screen and (max-width: 500px) {
    #main_container nav.left h2, #main_container nav.left h3 {
        margin-left: 8px;
    }

    #main_container nav.left li a {
        padding-left: 8px;
    }

    #content_container, .full #content_container {
        padding: 8px 8px 0 8px;
    }

    #content_container .borderless-image.content-start, #content_container .borderless-image.content-end {
        border-radius: 0;
    }

    #content_container h1, #content_container h2, #content_container h3, #content_container p {
        margin: 4px 0;
    }

    #content_container img.left, #content_container img.right {
        /* float: none; */
    }
}