.ec-vid-wrap {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: #06080f;
}
.ec-poster,
.ec-vid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ec-vid {
  opacity: 0;
  transition: opacity 0.35s ease;
}
.ec-vid.ec-on {
  opacity: 1;
}
.ec-poster {
  z-index: 0;
}
.ec-vid {
  z-index: 1;
}