.khungAnh{position:relative;z-index:1}
.khungAnh:before{content:"";display:block;}
.khungAnhCrop,
.khungAnhCrop0{overflow:hidden;text-align:center;display:inline-block;position:absolute;z-index:1;top:0;left:0;width:100%;height:100%}
.khungAnhCrop0 img{max-width:100%;max-height:100%;position:absolute;z-index:1;top:50%;left:50%;transform:translate(-50%,-50%)}
.khungAnhCrop0 img{-webkit-transform:translate(-50%,-50%);-moz-transform:translate(-50%,-50%);-o-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}
.khungAnhCrop img{max-width:150%;max-height:150%;position:absolute;z-index:1;top:50%;left:50%;transform:translate(-50%,-50%)}
.khungAnhCrop img{-webkit-transform:translate(-50%,-50%);-moz-transform:translate(-50%,-50%);-o-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}
.khungAnhCrop img.wide{height:100%;max-width:none}
.khungAnhCrop img.tall{width:100%;max-height:none}