HTML click 팝업 title Thank you. popup popup popup popup popup popup popup popup popup popup popup popup popup popup popup 확인 취소 닫기 CSS .sample-modal {display:none; position:fixed; _position:absolute; top:0; left:0; width:100%; height:100%; z-index:100;} .sample-modal .bg {position:absolute; top:0; left:0; width:100%; height:100%; background:#000; opacity:.5; filter:alpha(opacity=50);} .sample-mod..