div[data-m-action="youtube_embed"] {
    position: relative;
    padding: 0;
    font-size: 0;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
}
div[data-m-action="youtube_embed"][data-m-id]:before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333;
    opacity: 0.25;
    cursor: pointer;
}
div[data-m-action="youtube_embed"][data-m-id]:after {
    content: '';
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' version='1.1' viewBox='0 0 68 48' width='68' height='48'%3E%3Cpath fill='%23f03' d='M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z'%3E%3C/path%3E%3Cpath fill='%23fff' d='M 45,24 27,14 27,34'%3E%3C/path%3E%3C/svg%3E");
    width: 68px;
    height: 48px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    opacity: 1;
}
div[data-m-action="youtube_embed"][data-m-id]:hover:after {
    opacity: 0.9;
}