.movie{
	position: relative;
	width: 100%;
	margin:0 auto;
}
.movie video{
	width: 100%;
}
.movie .play-btn{
	display: block;
	width: 70px;
	position: absolute;
	  top: 50%;
	  left: 50%;
	  transform: translateY(-50%) translateX(-50%);
	  -webkit-transform: translateY(-50%) translateX(-50%);
}
.movie .play-btn.playActive{display:none;}


@media only screen and (max-width: 750px){
  .movie .play-btn {
    width: calc(90 *(100vw /750));
  }
}