.popup{align-items:center;background-color:rgba(0,0,0,.5);display:none;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:100000}.popup-content{background-color:#fff;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,.3);height:75%;padding:20px;position:relative;width:75%}.close-btn{cursor:pointer}.popup-mask{opacity:0}.popup-show{opacity:100%;transition-duration:.3s}.popup-hide{opacity:0;transition-duration:.3s}