.carousel.carousel-fade .item {
    -webkit-transition: opacity 0.5s ease-in-out;
    -moz-transition: opacity 0.5s ease-in-out;
    -ms-transition: opacity 0.5s ease-in-out;
    -o-transition: opacity 0.5s ease-in-out;
    transition: opacity 0.5s ease-in-out;
    opacity:0;
}
.carousel.carousel-fade .active.item {
    opacity:1;
}
.carousel.carousel-fade .active.left,
.carousel.carousel-fade .active.right {
    left: 0;
    z-index: 2;
    opacity: 0;
    filter: alpha(opacity=0);
}
.carousel.carousel-fade .next,
.carousel.carousel-fade .prev {
    left: 0;
    z-index: 1;
}
.carousel.carousel-fade .carousel-control {
    z-index: 3;
}