.baka-tree-list li {
    float: left;
    width: 100%;
    list-style: none;
    padding: 10px 15px;
}

.baka-tree-list .collapsed li {
    visibility: hidden;
}

.baka-tree-list .expanded li {
    visibility: visible;
}

.baka-tree-list .collapsed span.icon,
.baka-tree-list .expanded span.icon {
    margin-right: 6px;
    cursor: pointer;
}

.baka-tree-list .video-item {
    float: left;
    max-width: 170px;
}

    .baka-tree-list .video-item:hover {
        cursor: pointer;
    }

    .baka-tree-list .video-item img {
        max-height: 84px;
        width: 150px;
    }

        .baka-tree-list .video-item img:hover {
            opacity: 0.9;
        }

    .baka-tree-list .video-item span {
        margin-top: 5px;
        font-size: 12px;
        line-height: 16px;
        height: 32px;
        display: inline-block;
        overflow: hidden;
    }