.owl-item > .item {
height: 650px;
}
.owl-item img {
height: 100%;
transition-duration: .3s;
}
.owl-home .owl-item:not(.center) img {
filter: grayscale(100%);
transform: scale(.8);
transition-duration: .3s;
}
@media only screen and (max-width: 991px) {
.owl-item > .item {
height: 50vw;
}
}