Maybe that's what this is. A way to bring all those advanced settings from the Control Panel into the Settings window.
Think of all those smaller unresizable windows that are a few hundred pixels wide and tall with the tabs at the top and the OK, Cancel, Apply buttons at the bottom. You know the kind. Those are in most cases advanced settings.
The yellow froggies end up separated by wrapping. Then it's just a matter of aligning them. The align-self and order attributes mentioned seem to be red herrings.
Think of all those smaller unresizable windows that are a few hundred pixels wide and tall with the tabs at the top and the OK, Cancel, Apply buttons at the bottom. You know the kind. Those are in most cases advanced settings.