.carousel-inner {
    border: 3px solid #fff;
}

.carousel-fade .carousel-inner .item {
    opacity: 0;
    transition-property: opacity;
}

.carousel-fade .carousel-inner .active {
    opacity: 1;
}

    .carousel-fade .carousel-inner .active.left, .carousel-fade .carousel-inner .active.right {
        left: 0;
        opacity: 0;
        z-index: 1;
    }

.carousel-fade .carousel-inner .next.left, .carousel-fade .carousel-inner .prev.right {
    opacity: 1;
}

.carousel-fade .carousel-control {
    z-index: 2;
}
/*
    WHAT IS NEW IN 3.3: "Added transforms to improve carousel performance in modern browsers."
    now override the 3.3 new styles for modern browsers & apply opacity
    */
@media all and (transform-3d), (-webkit-transform-3d) {
    .carousel-fade .carousel-inner > .item.next, .carousel-fade .carousel-inner > .item.active.right {
        opacity: 0;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }

    .carousel-fade .carousel-inner > .item.prev, .carousel-fade .carousel-inner > .item.active.left {
        opacity: 0;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }

        .carousel-fade .carousel-inner > .item.next.left, .carousel-fade .carousel-inner > .item.prev.right, .carousel-fade .carousel-inner > .item.active {
            opacity: 1;
            -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
        }
}