:root {
  --icon--video: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-film" viewBox="0 0 16 16"> <path d="M0 1a1 1 0 0 1 1-1h14a1 1 0 0 1 1 1v14a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1zm4 0v6h8V1zm8 8H4v6h8zM1 1v2h2V1zm2 3H1v2h2zM1 7v2h2V7zm2 3H1v2h2zm-2 3v2h2v-2zM15 1h-2v2h2zm-2 3v2h2V4zm2 3h-2v2h2zm-2 3v2h2v-2zm2 3h-2v2h2z"/></svg>');
}

.admonition.video {
  border-color: rgb(175, 10, 13);
}
.admonition.video > .admonition-title {
  background-color: rgba(175, 10, 13, 0.1);
  border-color: rgb(175, 10, 13);
}
.admonition.video > .admonition-title::before {
  background-color: rgb(175, 10, 13);
  -webkit-mask-image: var(--icon--video);
  mask-image: var(--icon--video);
}