Examine source code of Niji no Derpy

{
  "theme": {
    "images": {
      "theme_frame": "derpy2.jpg"
    },
    "colors": {
      "frame": "#d122cb",
      "tab_background_text": "#ed9fe8"
    }
  },
  "version": "2.0",
  "name": "Niji no Derpy",
  "manifest_version": 2,
  "description": "A simple design featuring the infamous meme pony Derpy from cartoon My Little Pony: Friendship is Magic. Oh, and the name of this theme is just poking fun at the anime series Hoshi no Kaabii."
}