.hiddenthumbnails {
    display: flex;
}

.hiddenthumbnails .communitythumbnail .carousel-icon {
}

.hiddenthumbnails .communitythumbnail .carousel-icon .hidden-thumbnail {
    background-color: #c8c8c7;
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-transition: border 0.1s linear;
    -moz-transition: border 0.1s linear;
    transition: border 0.1s linear;
}
.hiddenthumbnails.open .hidden-thumbnail {
    border: 2px #0eb5fe solid;
}
.hiddenthumbnails .hidden-icon {
    width: 30.8px;
    height: 18.04px;
    background-size: contain;
    background-image: url(http://d1gq9jzbezk7fw.cloudfront.net/p/en_US/gv/i/v2/navigation/hidden-icon@3x.png);
}

.hidden-thumbnails-container {
    display: none;
}

.hiddenthumbnails.open .hidden-thumbnails-container {
    display: flex;
}