.carousel
{
    left: 0;
    position: absolute;
    top: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.carousel .item
{
    -webkit-transition: opacity 3s;
    -moz-transition: opacity 3s;
    -ms-transition: opacity 3s;
    -o-transition: opacity 3s;
    transition: opacity 3s;
}
.carousel .active.left, .carousel .active.right
{
    left: 0;
    opacity: 0;
    z-index: 2;
}
.carousel .next, .carousel .prev
{
    left: 0;
    opacity: 1;
    z-index: 1;
}
.carousel .item img
{
    width: 100%;
    height: auto;
}
.left.carousel-control, .right.carousel-control {
    opacity: 0;
    transition: all 0.5s ease-out 0s;
}
.left.carousel-control:hover, .right.carousel-control:hover {
    opacity: 1;
    transition: all 0.5s ease-in 0s;
}