.carousel {
    width:80%;
    height: 800px;
    margin-bottom: 60px;
    margin-top: 3em;
    margin-left:auto;
    margin-right:auto;
}
/* Since positioning the image, we need to help out the caption */
 .carousel-caption {
    z-index: 10;
}
/* Declare heights because of positioning of img element */
 .carousel .item {
    width: 100%;
    height: 800px;
    background-color: #777;
}
.carousel-inner > .item > img {
    position: absolute;
    top: 0;
    left: 0;
    min-width: 30%;
    height: 100%;
}
@media (min-width: 768px) {
    .carousel-caption p {
        margin-bottom: 20px;
        font-size: 21px;
        line-height: 1.4;
    }
}
img {
    background: black;
}