.flex-images { overflow: hidden; margin-left: -5px; margin-right: -5px; margin-top: -5px; margin-bottom: -5px;}
.flex-images .item { float: left; margin: 5px; box-sizing: content-box; overflow: hidden; position: relative;  }
.flex-images .item img { display: block; width: auto; height: 100%; }