.flex-images { overflow: hidden; }
.flex-images .item { float: left; margin: 5px; border: 1px solid transparent, box-sizing: content-box; overflow: hidden; position: relative; box-shadow: 0 5px 5px 0 rgba(0, 0, 0, 0.15); }
.flex-images .item img { display: block; width: auto; height: 100%; }