.dialog_mask {
  width: 100%;
  height: 100%;
  z-index: 1000;
  background: #000000;
  opacity: 0.5;
  position: fixed;
  top: 0;
  display:none;
}
.dialog_Model {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 100000;
}