.widget-center {
  text-align: center;
}

.widget-center img,
.widget-center video {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: min(100%, 700px);
  height: auto;
}

.widget-center figcaption {
  margin-top: 0.5rem;
  font-style: italic;
}