<figure id="fashion">
  <video controls>
    <source src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/fashion-export.webm">
    <source src="https://thenewcode.com/assets/videos/fashion-export.mp4">
  </video>
  <div id="vid-cover"></div>
  <figcaption>Summer Sale <span>Now On</span></figcaption>
</figure>
<button id="play-button">Play</button>

@keyframes overlay {
  30% {
    left: 0;
    width: 50%;
  }
  50% {
    background: #00f;
  }
  80% {
    left: 80%;
    width: 20%;
  }
  100% {
    left: 60%;
    width: 40%;
    background: #00f;
  }
}
body {
  text-align: center;
  margin: 0;
  padding:0;
  width: 100vw;
  height: 100vh;
}
figure {
  margin: 0;
}
figure#fashion video {
  width: 100%;
}

figure#fashion div {
  width: 10%;
  height: 100%;
  background: #f00;
  position: absolute;
  top: 0;
  mix-blend-mode: multiply;
  pointer-events: none;
  left: 0;
  bottom: 0;
}

video.playing ~ div#vid-cover {
  animation: overlay 10s forwards;
}

figure#fashion video.playing ~ figcaption {
  opacity: 1;
}

figure#fashion figcaption {
  font-size: 50px;
  font-family: Avenir;
  color: white;
  position: absolute;
  width: 40%;
  right: 0;
  top: 30%;
  text-transform: uppercase;
  text-align: center;
  opacity: 0;
  transition: 3s 9s opacity;
}

figure#fashion figcaption span {
  font-size: 40px;
  text-transform: lowercase;
  display: block;
}
button { 
  display: block;
  margin: 0 auto; 
  font-size: 1.2rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

var playbutton = document.getElementById("play-button");
var fashion = document.querySelector("#fashion video");
fashion.removeAttribute("controls");
playbutton.addEventListener("click", function() {
	fashion.play();
	fashion.classList.add("playing");
})