:root{
  --header-height:72px;
  --header-chip:52px;      /* square menu button */
  --rail-inset:18px;       /* rotated address rail distance from left edge */
  --fab-size:80px;         /* scroll-to-top disc */
  --fab-inset:32px;
  --media-band-height:180px;
  --nav-panel-width:443px; /* right-hand menu overlay */
  --footer-min-height:640px;
  --copyright-bar-height:26px;
  --z-base:0; /* @kind other */
  --z-rail:60; /* @kind other */
  --z-fab:80; /* @kind other */
  --z-header:100; /* @kind other */
  --z-overlay:200; /* @kind other */
}