simple-yewu/frontend/web/assets/css/model.css

.model_wrap{
    width: 100%;
    height: 100vh;
    background-color: #000;
    opacity: 0.5;
    position: fixed;
    top: 0;
    display:none;
}
.model-bg{
    width: 560px;
    height: 500px;
    position: absolute;
    top: calc(50% - 322px);
    left: 71%;
    margin-left: -600px;
    background-color: #fff;
    z-index:999 ;
    display: none;
}