.full-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  background-color: rgba(0, 0, 0, 0.8);
  display: none;
  opacity: 0;
  transition: opacity 250ms ease-in-out;
}

.full-video video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media screen and (max-width: 479px) {
  .full-video video {
    width: 100%;
  }
}

.full-video .close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  padding: 20px;
  cursor: pointer;
  font-weight: 700;
}