.popup{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgba(8,7,7,.83)}.popup-content{background-color:#f4f4f1;margin:10% auto;padding:20px;border-radius:8px;border:2px solid #000;box-shadow:0 4px 8px rgba(0,0,0,.2);width:90%;max-width:600px;position:relative}.close{color:#333;float:right;font-size:24px;font-weight:700;cursor:pointer;transition:color .3s ease}.close:hover,.close:focus{color:#ff4d4d;text-decoration:none}@media screen and (max-width:600px){.popup-content{width:95%}}