html,body{height:100%}.item{}header.carousel{height:50%;padding:0}header.carousel .item,header.carousel .item .active,header.carousel .carousel-inner{height:100%}.carousel-inner{height:100%;width:100%}header.carousel .item{background-position:center;background-size:cover;width:100%}.fill{width:100%;height:100%;background-position:top;-webkit-background-size:cover;-moz-background-size:cover;background-size:cover;-o-background-size:cover}footer{margin:50px 0}