.bgbox {
    display: none;
         position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.divbox {
    display: none;
    position: fixed;
    left: 50%;
    top:50%;
   width: 700px;
    height: 400px;
    background-color: #FFF;
    margin-left: -350px;
    margin-top: -200px;
  
   
}

.bg{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}
.container{
    display: flex;
    justify-content: center;
 

}