body.route-grid-canvas {
  position: relative;
  isolation: isolate;
  --route-dossier-bg: image-set(
    url("/assets/backgrounds/dossier-smoked-emerald-refraction-v1.avif") type("image/avif"),
    url("/assets/backgrounds/dossier-smoked-emerald-refraction-v1.jpg") type("image/jpeg")
  );
  background: #031f27 center / cover no-repeat fixed;
  background-image: var(--route-dossier-bg);
}