html, body {
height:100%;
margin:0;
padding:0;
width:100%;
}
.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: 100% 100%;

}
.carousel .carousel-inner .bg1 {
background-image:url(../img/slide1.jpg);
background-position: center center;
}
.carousel .carousel-inner .bg2 {
background-image:url(../img/slide2.jpg);
background-position: center center;
}
.carousel .carousel-inner .bg3 {
background-image:url(../img/slide5.png);
background-position: center center;
}