/* END Optional styles */
.video-container {
  width: 640px;
  border-radius: 4px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 380px;

}
.video-container .video-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.video-container video {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}

.play-button-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: auto;
  pointer-events: none;
}
.play-button-wrapper #circle-play-b {
  cursor: pointer;
  pointer-events: auto;
}
.play-button-wrapper #circle-play-b svg {
  width: 100px;
  height: 100px;
  fill: #fff;
  stroke: #fff;
  cursor: pointer;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  opacity: 0.9;
}