#pop-main{width:300px; height:34px; position:fixed; left:50%; top:20%; margin:0 0 0 -250px; z-index:9999;}
#close-pop{position:absolute; width:25px; height:25px; right:-32px; top:0; cursor:pointer;}
#pop-bg{width:80%; height:80%; position:fixed; left:0; top:0; background:rgba(0,0,0,0.6); z-index:999;}