.pop{display:none}.pop .pop-bg{background:rgba(0,0,0,0.75);position:fixed;top:0;left:0;width:100%;height:100vh;z-index:2}.pop .the-popup{max-width:500px;z-index:3;padding:40px;max-height:calc(77% - 100px);overflow-y:scroll;background:#4a90e2;color:white;width:90%;margin:0 auto;position:fixed;left:0;right:0;top:calc(50% + 50px);transform:translateY(-50%)}