Anchor Positioning

.anchor {
  anchor-name: --over-easy;
}

.positioned-element {
  position-anchor: --over-easy;
  position: fixed;
  position-area: block-end;
}

.anchored[popover] {
  position-anchor: --somewhere;
  inset: auto;
  position-area: block-start;
  position-try-fallbacks: flip-block;
  position-try-order: most-height;
}