carousel and background-size: cover
http://stackoverflow.com/questions/25980576
by germandost
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
<li data-target="#carousel-example-generic" data-slide-to="1"></li>
<li data-target="#carousel-example-generic" data-slide-to="2"></li>
</ol>
<!-- Wrapper for slides -->
<div class="carousel-inner">
<div class="item active">
<div class="image" style="background-image: url('http://farm9.staticflickr.com/8378/8559402848_9fcd90d20b_b.jpg')"></div>
<div class="carousel-caption">Bears</div>
</div>
<div class="item">
<div class="image" style="background-image: url('http://everythingbirdsonline.com/wp-content/uploads/2014/06/birds-of-paradise.jpg')"></div>
<div class="carousel-caption">Birds</div>
</div>
<div class="item">
<div class="image" style="background-image: url('http://emarketingblogger.com/wp-content/uploads/2014/04/image-marketing-sites.jpg')"></div>
<div class="carousel-caption">Butterfly</div>
</div>
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
</a>
<a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
</a>
</div>
CSS
.image {
height: 200px;
background-position: center;
background-size: cover;
}