.wp-block-video video{
    max-width: 100%;
}
.wp-block-embed.alignfull {
    max-width: 100vw;
    margin-left: -50vw;
    margin-right: -50vw;
}
.wp-block-audio audio{
    max-width: 100%;
}
.wp-block-audio.aligncenter{
    text-align: center;
}
.wp-block-audio audio{
    min-width: 270px;
}