eta {
            display: flex;
            justify-content: space-between;
            color: #666;
        }
        .detail {
            flex: 1;
            border: 1px solid #999;
            display: flex;
            flex-direction: column;
        }
        .detail iframe {
            height: 100%;
            border: 1px solid #eee;
            overflow: auto;
        }
        .metadata {
            padding: 6px;
            color: #333;
            background-color: white;
            z-index