.videoList {
    width: 100%;
    height: 100%;
    white-space: normal;
    .videoItem {
        margin: auto;
        position: relative;
        background-color: #000;
        border: 1px solid rgba(255, 255, 255, 0.2);
        display: inline-block;
        vertical-align: top;
    }
    .checked {
        border: 1px solid #ffb061;
    }
}