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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <div id="container">
  <video autoplay muted loop>
    <source src="http://ak4.picdn.net/shutterstock/videos/4170274/preview/stock-footage-beautiful-girl-lying-on-the-meadow-and-dreaming-enjoy-nature-close-up-slow-motion-footage.mp4" type="video/mp4">
  </video>
</div>
            
          
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              * {
  margin: 0; padding: 0;
}

#container {
  overflow: hidden;
  height: 400px;
  background: #edeae8;
  position: relative;
}

video {
  position: absolute;
  
  /* Vertical and Horizontal center*/
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
}
            
          
!
            
              var video = document.querySelector('video')
  , container = document.querySelector('#container');

var setVideoDimensions = function () {
  // Video's intrinsic dimensions
  var w = video.videoWidth
    , h = video.videoHeight;
  
  // Intrinsic Ratio
  // Will be more than 1 if W > H and less if W < H
  var videoRatio = (w / h).toFixed(2);
  
  // Get the container's computed styles
  //
  // Also calculate the min dimensions required (this will be
  // the container dimentions)
  var containerStyles = window.getComputedStyle(container)
    , minW = parseInt( containerStyles.getPropertyValue('width') )
    , minH = parseInt( containerStyles.getPropertyValue('height') );
  
  // What's the min:intrinsic dimensions
  //
  // The idea is to get which of the container dimension
  // has a higher value when compared with the equivalents
  // of the video. Imagine a 1200x700 container and
  // 1000x500 video. Then in order to find the right balance
  // and do minimum scaling, we have to find the dimension
  // with higher ratio.
  //
  // Ex: 1200/1000 = 1.2 and 700/500 = 1.4 - So it is best to
  // scale 500 to 700 and then calculate what should be the
  // right width. If we scale 1000 to 1200 then the height
  // will become 600 proportionately.
  var widthRatio = minW / w
    , heightRatio = minH / h;
  
  // Whichever ratio is more, the scaling
  // has to be done over that dimension
  if (widthRatio > heightRatio) {
    var newWidth = minW;
    var newHeight = Math.ceil( newWidth / videoRatio );
  }
  else {
    var newHeight = minH;
    var newWidth = Math.ceil( newHeight * videoRatio );
  }
  
  video.style.width = newWidth + 'px';
  video.style.height = newHeight + 'px';
};

video.addEventListener('loadedmetadata', setVideoDimensions, false);
window.addEventListener('resize', setVideoDimensions, false);
            
          
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