.official-embed { margin: 1rem 0; max-width: 100%; }
.official-embed button { margin: 0 .5rem .5rem 0; }
.embed-mount:empty { display: none; }
.embed-mount iframe { display: block; width: 100%; max-width: 100%; border: 0; }
.embed-mount iframe.video { aspect-ratio: 16 / 9; height: auto; }
.embed-mount iframe.post { height: 480px; }