.za-mask {
  --zindex: var(--za-mask-zindex, var(--za-zindex-mask));
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: var(--zindex);
}