No data-ground: the page ground

data-ground="sunken"

data-ground="elevated"

data-ground="friendly"

data-ground="quiet"

data-ground="fade"

data-ground="dark": the text carries data-surface="dark" itself

data-ground="brand"

data-ground="vivid"

The rail hugs

data-container="hug-left": two containers, named for the one that is not fill. The 48 seam between them is their two insets and nothing else.