Examine source code of Starry Macaron

{
  "theme": {
    "images": {
      "theme_frame": "persona_header.jpg"
    },
    "colors": {
      "frame": "#2b2b2b",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Starry Macaron",
  "manifest_version": 2,
  "description": "Macaron la nuit, dans un ciel étoilé rêve de souris... - At night, Macaron dreams of mouses in the starry sky\n\nKeywords : cat, chat, cute, kitten, kitty, animal, chatton, star, stars, étoiles, nuit, ciel, sombre, sky, dark, starry, moon, shine, lune"
}