.avantcont {width:100%;height: calc(100vh - 140px);}
.owl-carousel .owl-item img {
	filter: grayscale(1);
    /*height: calc(100vh - 160px);*/
    width: 100%;
  object-fit: cover;
  height: auto;
}

.owl-carousel .item {position:relative;height:100vh;}

.avantcont .owl-carousel .owl-item img {
	filter: grayscale(1);
    width: 100%;
  object-fit: cover;
  height: 100%;
  transform: translate(-50%, -50%);
  position:absolute;
  top:50%;
  left:50%;
}

.owl-carousel .owl-item:before {content: '';position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: rgba(209, 177, 139,0.5);z-index:1;}