<!-- TIPS: 
1. The carousel shouldn't be in any other div, like for example div with class container. 
2. You can align image position in classes bg1, bg2, bg3 using css background-position.
http://arturssmirnovs.com/blog/bootstrap-carousel-100-height-and-width/
-->

<!-- Carousel 100% Fullscreen -->
  <div id="myCarousel" class="carousel slide" data-ride="carousel">
    <ol class="carousel-indicators">
      <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
      <li data-target="#myCarousel" data-slide-to="1"></li>
      <li data-target="#myCarousel" data-slide-to="2"></li>
    </ol>
    <div class="carousel-inner">
      <div class="item bg bg1 active">
        <div class="container">
          <div class="carousel-caption">
            <h1>Example headline.</h1>
            <p>Note: If you're viewing this page via a <code>file://</code> URL, the "next" and "previous" Glyphicon buttons on the left and right might not load/display properly due to web browser security rules.</p>
            <p><a class="btn btn-lg btn-primary" href="#" role="button">Sign up today</a></p>
          </div>
        </div>
      </div>
      <div class="item bg bg2">
        <div class="container">
          <div class="carousel-caption">
            <h1>Another example headline.</h1>
            <p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
            <p><a class="btn btn-lg btn-primary" href="#" role="button">Learn more</a></p>
          </div>
        </div>
      </div>
      <div class="item bg bg1">
        <div class="container">
          <div class="carousel-caption">
            <h1>One more for good measure.</h1>
            <p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
            <p><a class="btn btn-lg btn-primary" href="#" role="button">Browse gallery</a></p>
          </div>
        </div>
      </div>
    </div>
    <a class="left carousel-control" href="#myCarousel" data-slide="prev"><span class="glyphicon glyphicon-chevron-left"></span></a>
    <a class="right carousel-control" href="#myCarousel" data-slide="next"><span class="glyphicon glyphicon-chevron-right"></span></a>
  </div>
  <!-- /end Carousel 100% Fullscreen -->

  <!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>  
<![endif]-->
/** TIPS: 
1. The carousel shouldn't be in any other div, like for example div with class container. 
2. You can align image position in classes bg1, bg2, bg3 using css background-position.
*/

/* Carousel 100% Fullscreen */
html, body {
height:100%;
margin:0;
padding:0;
}
.carousel, .item, .active {
height:100%;
}
.carousel-inner {
height:100%;
}
.carousel {
margin-bottom: 60px;
}
.carousel-caption {
z-index: 10;
}
.carousel .item {
background-color: #777;
}
.carousel .carousel-inner .bg {
background-repeat:no-repeat;
background-size:cover;
}
.carousel .carousel-inner .bg1 {
background-image:url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/158072/spiderweb.jpg');
background-position: center top;
}
.carousel .carousel-inner .bg2 {
background-image:url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/158072/hearthand.jpg');
background-position: center center;
}
.carousel .carousel-inner .bg3 {
background-image:url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/158072/woman-camera.jpg');
background-position: center bottom;
}
View Compiled

External CSS

  1. https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css

External JavaScript

  1. //ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js
  2. //maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js