#thover{ position:fixed; background:#000; width:100%; height:100%; opacity: .6 } #tpopup{ position:absolute; width:600px; height:180px; background:#fff; left:50%; top:50%; border-radius:5px; padding:60px 0; margin-left:-320px; /* width/2 + padding-left */ margin-top:-150px; /* height/2 + padding-top */ text-align:center; box-shadow:0 0 10px 0 #000; } #tclose{ position:absolute; background:black; color:white; right:-15px; top:-15px; border-radius:50%; width:30px; height:30px; line-height:30px; text-align:center; font-size:8px; font-weight:bold; font-family:'Arial Black', Arial, sans-serif; cursor:pointer; box-shadow:0 0 10px 0 #000; }