.owl-item > div {
    cursor: pointer;
    margin: 6% 8%;
    transition: margin 0.4s ease;
}
.owl-item.center > div {
    cursor: auto;
    margin: 0;
}
.owl-item:not(.center) > div:hover {
    opacity: .75;
}
img {
    width: 100%;
    height: auto;
}