#bizc_popup_bg { position: fixed; width: 100%; height: 100%; left: 0; top: 0; z-index: 999; background-color: rgba(0,0,0,0.5); display: none; margin-top: 0px;}
#bizc_popup { position:fixed; width:100%; height:100vh; margin-top:0px; left:0; top:0; -webkit-overflow-scrolling:touch; z-index:999999; display:table; display: none; }
#bizc_popup > .outer { display:table-cell; vertical-align:middle; padding: 0px 20px 0 20px;}
#bizc_popup > .outer .inner { position:relative; /* width:460px; min-height: 300px; */    border-radius: 4px; margin:0 auto; background-color:#fff; /* -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;*/ }
#bizc_popup > .outer .inner .btn_close { position:absolute; right:30px; top:20px; cursor:pointer; z-index: 9999999; }

@media screen and (max-width:640px) {
    #bizc_popup > .outer { padding:0; }
	#bizc_popup > .outer .inner { width:auto; }
	#bizc_popup > .outer .inner .btn_close { width: 40px; height: 40px; padding: 10px 10px 0 0; right:0; top:0; text-align: right; }    
}