#popUpBox{

  overflow: hidden;
  background: #FFFBF8;
  box-shadow: 0 0 10px black;
  border-radius: 10px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
  padding: 10px;
  text-align: center;
  display: none;
}
#closeModal{
    margin: 20px;
}

@media (max-width: 991px) {
    #popUpBox {
        width: 500px;
    }
}

@media (max-width: 575px) {
    #popUpBox {
        width: 75%;
    }
}