.embed-container {
  position: relative;
  padding-bottom: 56.25%;
  overflow: hidden;
  max-width: 100%;
  height: auto;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.embed-container iframe,
.embed-container object,
.embed-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}