.item-showcase {
    margin: 1rem 0;
    border-top: 1px solid #dfdfdf;
    border-bottom: 1px solid #dfdfdf;
    padding: calc(1rem - 1px) 0 0;
    overflow: hidden;
    text-align: center;
    clear: both;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.item.resource .caption {
    font-size: 0.875rem;
    line-height: 1.5rem;
}
.item.resource .caption * {
    margin: 0 0 1rem 0;
}
.item.resource .caption > *:last-child {
    margin-bottom: 0;
}
.item-showcase .resource.item {
    vertical-align: top;
    margin-bottom: 1rem;
}
.item-showcase .resource.item img {
    margin-right: 0.5rem;
    max-width: 100%;
}
.item-showcase .resource.item:only-child img {
    margin: 0 auto;
}
.item-showcase .resource.item:not(:only-child) {
    width: 25%;
    clear: none;
    padding: 0 0.5rem;
}
.item-showcase .resource.item:not(:only-child) h3 {
    clear: left;
    font-size: 1rem;
    line-height: 1.5rem;
    margin: 0.5rem 0 0;
}
.item-showcase .resource.item:not(:only-child) img {
    max-height: 7rem;
    width: auto;
    float: none;
    margin-right: 0;
    vertical-align: top;
}
.right,
.left {
    overflow: hidden;
    max-width: 33.33%;
}
.left .item.resource,
.right .item.resource {
    margin: 0 0 1rem 0;
}
.left .item.resource:first-of-type,
.right .item.resource:first-of-type {
    padding-top: calc(1rem - 1px);
    margin-top: 0;
}
.left .item.resource:last-of-type,
.right .item.resource:last-of-type {
    padding-bottom: -1px;
}
.left .item.resource .media-render a,
.right .item.resource .media-render a {
    display: block;
}
.left .item.resource audio,
.left .item.resource canvas,
.left .item.resource video,
.left .item.resource progress,
.left .item.resource img,
.right .item.resource audio,
.right .item.resource canvas,
.right .item.resource video,
.right .item.resource progress,
.right .item.resource img {
    max-width: 100%;
    vertical-align: bottom;
    margin-bottom: 0.5rem;
}
.file {
    border-top: 1px solid #dfdfdf;
    border-bottom: 1px solid #dfdfdf;
    margin-top: 1rem;
    margin-bottom: 1rem;
}
.left.file {
    float: left;
    clear: left;
    margin: 0 1rem 1rem 0;
}
.right.file {
    float: right;
    clear: right;
    margin: 0 0 1rem 1rem;
}
.center.file {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
}
.center.file .item {
    width: 100%;
}
.left .item.resource > a:first-child,
.right .item.resource > a:first-child {
    vertical-align: top;
}
.medium .item.resource > h3,
.square .item.resource > h3 {
    font-size: 16px;
    line-height: 1.5rem;
}
.left .item.resource > h3,
.right .item.resource > h3 {
    margin: 0;
}
.left .item.resource + p,
.right .item.resource + p {
    margin-top: 0;
}
.break {
    width: 100%;
    clear: both;
    border-bottom: 1px solid #dfdfdf;
    padding-bottom: -1px;
    margin: 1rem 0;
}
.break.transparent {
    border-color: transparent;
}
.break.opaque {
    border-color: #dfdfdf;
}
.preview-block {
    margin: 1rem 0;
    overflow: hidden;
    width: 100%;
    clear: both;
}
.toc-block > ul {
    margin: 1rem 0;
    list-style-type: none;
    border-left: 5px solid #dfdfdf;
}
.toc-block > ul > li {
    margin-bottom: 0.5rem;
}
.toc-block > ul > li > a {
    font-weight: bold;
}
.toc-block ul ul {
    list-style-type: none;
    padding-left: 0;
}
.toc-block ul ul ul {
    padding-left: 1.25em;
}
.toc-block ul ul li:before {
    content: "\2014";
    color: #dfdfdf;
}
.item-with-metadata {
    width: 100%;
    overflow: hidden;
    margin: 1rem 0;
}
.item-with-metadata .show.resource {
    margin: 2rem 0;
}
.list-of-sites .site-list .site {
    margin-bottom: 0.5rem;
}
.list-of-sites .site-list .site-link {
    display: inline-block;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}
.list-of-sites .site-list .site-summary {
    margin: 0 0 0 0.5rem;
    line-height: 20px;
}