Hi ,

This post will help you to use Video in background with bootstrap.

View Live Example :

http://107.20.120.5/HTML/fn/video.html

<style>
#background {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    background: url(polina.jpg) no-repeat;
    background-size: cover;
}
.container h1 {
  color: white;
}
</style>


<div>
    <video autoplay loop muted poster="screenshot.jpg" id="background">
        <source src="http://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4">
    </video>
  <div class="container">
    <div class="row">
      <div class="col-md-12">
        <h1>www.viewlike.us</h1>
      </div>
    </div>
  </div>
</div>