/* popup.css */
div#popup{width:100%;height:100%;left:0;top:0;position:fixed;text-align:center;z-index: 9999999999}div#popup a{height:30px;top:10px;position:absolute;display:block;padding-right:1em;padding-left:1em;text-align:center;background-color:rgba(0,0,0,.9);border-radius:.25em;font:1em/30px Arial,Helvetica,sans-serif;color:#fff;cursor: pointer;left: calc(50% - 4.5em)}div#popup img{max-width:100%;max-height:100%;margin-top:3em}