html, body{height:100%;}
.carousel, .item, .active{height:100%;}
.carousel-inner{height:100%;}
.carousel-small{height:70%}
.fill{width:100%;height:100%;background-position:center;-webkit-background-size:cover;-moz-background-size:cover;background-size:cover;-o-background-size:cover;position:absolute;}