Curated page backgrounds for glass_theme() scene=. Each name ships
light and dark gradient/orb packs. Pair with wallpaper= for a user photo;
the photo is blurred and washed so body ink stays above the contrast floor
documented in glass_css_tokens().
Examples
names(glass_scenes())
#> [1] "default" "tahoe" "dusk" "mesh" "aurora" "harbor" "grove"
glass_scenes()[["aurora"]]
#> [1] "Aurora veil"