.adblockpopup { display:none; position:fixed; z-index:1; left:0; top:0; width:100%; height:100%; overflow:auto; background:rgba(0, 0, 0, .85);}
.adblockpopup-content { text-align:center; background-color:#fefefe; margin:15% auto; padding:20px; border:0; width:70%; }
.adblockpopup-content img { width:200px; margin:0 auto; }