Overlaying a transparent background on an embedded video

Here is a fiddle

I used green overlay for the demo.

CSS

.videoContainer {
    position: relative;
    width: 100%;
    height: 100%;
    //padding: 20px;
    border-radius: 5px;
    background-attachment: scroll;
    overflow: hidden;
}
.videoContainer video {
    min-width: 100%;
    min-height: 100%;
    position: relative;
    z-index: 1;
}
.videoContainer .overlay {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 2;
    background: green;
    opacity: 0.5;
}

I came across this very same issue and eventually managed to get an aesthetically similar effect simply setting the video with opacity:0.5 over a colored background. 

.vid-bg {
  opacity: 0.5; /* ! */
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%; 
  min-height: 100%
}
<body style="background-color: green">
    <video playsinline="playsinline" autoplay="autoplay" muted="muted" loop="loop" class="vid-bg">
    <source src="http://inserthtml.com/demos/javascript/background-videos/flowers.mp4" type="video/mp4">
  </video>
</body>

Tags:

Html

Css

Overlay

Video

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