/* The curtain (UT-55 §6): the page is hidden as a whole while the attribute is on. The Canvas system colour follows
   the colour scheme the app sets, so there is no colour of ours here. */
html[data-privacy] body { visibility: hidden; }
html[data-privacy]::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  background: Canvas;
  visibility: visible;
}