.preview-img{display:none;text-align:center;width:100%;height:100%;position:fixed;left:0;top:0;z-index:9999;}.preview-img .container{max-width:90%;position:absolute;padding:15px;background-color:#f9f9f9;border-radius:5px;}.preview-img .container img{max-width:100%;background-size:contain/cover;}.preview-img .container a{display:inline-block;width:36px;height:36px;text-decoration:none;position:absolute;right:-18px;top:0px;background:url("closebtn.png") no-repeat;}