.popup{display:none;position:fixed;z-index:1;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000;background-color:#3a4152bf}.popup-content{background-color:#fefefe;margin:8% auto;border-radius:5px;height:70%;width:50%;position:relative;box-shadow:6px 6px 28px -4px #000000bf}