{ "id": "landmark-main-is-top-level", "selector": "main:not([role]), [role=main]", "tags": ["cat.semantics", "best-practice"], "metadata": { "description": "Ensures the main landmark is at top level", "help": "Main landmark should not be contained in another landmark" }, "all": [], "any": ["landmark-is-top-level"], "none": [] }