#postcodeModal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background-color:#222220;padding:20px;z-index:1000;border:1px solid #ccc;box-shadow:0 0 10px #ccc;text-align:center}#postcodeModal p{color:#fff}@media screen and (max-width:768px){#postcodeModal{width:80%;left:50%;top:50%;transform:translate(-50%,-50%)}}