.main-cover {
  position: relative;
  overflow: hidden;
}

.main-cover__video {
  width: 100%;
  height: auto;
  float: left;
}

.footer-video {
  border-radius: 12px;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  box-shadow:  0 0 10px rgba(0,0,0,0.2);
}

@media(max-width: 980px) {
  .main-cover__video {
    position: absolute;
    left: 50%;
    height: 600px;
    width: auto;
    transform: translateX(-50%);
  }
}

  .IIV::-webkit-media-controls-play-button,
  .IIV::-webkit-media-controls-start-playback-button {
      opacity: 0;
      pointer-events: none;
      width: 5px;
  }