figure img {
  max-width: 100%;
  width: 100%;
  display: block;
  border: 5px solid #aaa;
  border: 0.3125rem solid #aaa;
}
figure figcaption {
  margin-top: 6px;
  margin-top: 0.375rem;
  margin-bottom: 12px;
  margin-bottom: 0.75rem;
}
figure figcaption small {
  font-weight: normal;
}
.regular-full-size-image {
  max-width: 100%;
  width: 100%;
  display: block;
}
.responsive-video {
  position: relative;
  padding-bottom: 53.1%;
/* ~16:9 */
  padding-top: 3.5%;
  height: 0;
}
.responsive-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}