.tel-youtube-chat__wrapper {

    width:100%;
    height:55vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    + .tel-youtube-chat__wrapper {
        height: 25vh;
        min-height:320px;
    }

    iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

}

.tel-youtube-chat__notice {
    margin-top: 1rem;
}