.default33 .over {margin:15px 0 15px; width: 100%; float: left; height: 230px;}
.default33 .over img {width: 100%; height:100%; object-fit: cover;}

@media screen and (min-width: 601px) and (max-width: 767px) {
  .default33 .col-md-3.col-sm-4.col-xs-12 {width: 50%;}
}