.flex-images{overflow:hidden;}.flex-images .item{float:left;margin:4px;border:1px solid #eee;box-sizing:content-box;overflow:hidden;position:relative;}.flex-images .item img{display:block;width:auto;height:100%;}
.lazy-hidden{opacity:0}.lazy-loaded{-webkit-transition:opacity .3s;-moz-transition:opacity .3s;-ms-transition:opacity .3s;-o-transition:opacity .3s;transition:opacity .3s;opacity:1}