DOM.PseudoType

{
  "id": "PseudoType",
  "type": "string",
  "enum": [
    "first-line",
    "first-letter",
    "before",
    "after",
    "backdrop",
    "selection",
    "first-line-inherited",
    "scrollbar",
    "scrollbar-thumb",
    "scrollbar-button",
    "scrollbar-track",
    "scrollbar-track-piece",
    "scrollbar-corner",
    "resizer",
    "input-list-button"
  ],
  "description": "Pseudo element type."
}