.MediaPlayerContainer {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
}

.MediaPlayerContainer iframe,
.MediaPlayerContainer object,
.MediaPlayerContainer embed
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.ccm-block-edit[data-block-type-handle="MediaPlayer"] .ccm-edit-mode-disabled-item {
    width:100% !important;
    height:0 !important;
    padding-bottom: 56.25%;
}