html {
    height: 100%;
}

body {
    overflow: hidden;
    margin: 0;
    height: 100%;
    width: 100%;
}

#gallery {
    background-color: #fafcfd;
    float: left;
    height: 100%;
    width: 20%;
}

#gallery_icon_container {
    margin-left: 14px;
    display: inline-block;
    vertical-align: middle;
    font-size: 16px;
    height: 48px;
    line-height: 48px;
    font-family: Montserrat,sans-serif;
    color: #646464;
}

#gallery_icon {
    display: block;
    fill: #646464;
    float: left;
    height: 24px;
    line-height: 1;
    padding-top: 11px;
    vertical-align: middle;
    width: 24px;
}

#gallery_header_title {
    display: block;
    float: left;
    padding-left: 6px;
}

#gallery_panel {
    display: inline-block;
    height: 100%;
    width: 100%;
    vertical-align: top;
}

#gallery_panel_content {
    position: absolute;
    left: 0;
    right: 0;
    top: 46px;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    display: block;
    width: 100%;
    background-color: rgb(238, 238, 242);
}

#gallery_container {
    height: 100%;
    text-align: center;
    width: 20%;
    overflow-y: auto;
    overflow-x: hidden;
}

#viewer_container {
    width: 80%;
    height: 100%;
    float: right;
}

.thumbnail_container {
    font-family: Montserrat, sans-serif;
    font-size: small;
    font-weight: normal;
    color: #fff;
    margin: 5px;
    padding: 10px;
    display: inline-block;
    background-color: transparent;
    color: rgb(60, 65, 80);
}

.thumbnail_button {
    display: inline-block;
    outline: none;
    height: 170px;
    width: 120px;
}

.item-selected {
    background-color: rgb(219, 222, 229);
    color: rgb(60, 65, 80);
    box-shadow: 0px 2px 4px #ced0d8;
}