.ytContainer {
    display:inline-block;
    position: relative;
}
.ytContainer > iframe {
    border: 0;
    width: 100%;
    height: 100%;
}
@media only screen and (min-width: 860px) {
    .ytContainer.ytContainerChat > iframe,
    .ytContainer.ytContainerChat {
        aspect-ratio: 9 / 12.05;
    }
    .ytContainer.ytContainerVideo > iframe,
    .ytContainer.ytContainerVideo {
        aspect-ratio: 16 / 9;
    }
}
.ytContainerVideo {
    width: 100%;
}
.ytContainerChat {
    width: 29%;
}
@media only screen and (max-width: 860px) {
    .ytContainer {
        display: block;
        width: 100%;
        padding-top: 56.25%;
    }
    .ytContainer > iframe {
        position: absolute;
        top: 0;
        left: 0;
    }
}