.mss-media-item__image img {
  display: block;
}
.mss-media-item__caption {
  font-size: 1rem;
  margin-top: 0.5rem;
  max-width: 100%;
  word-wrap: break-word;
}
.mss-media-item__responsive-video {
  height: 0;
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  width: 100%;
}
.mss-media-item__responsive-video iframe {
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}
.mss-media-item__responsive-video video {
  width: 100%;
}