Examine source code of soimo-firework

{
  "theme": {
    "images": {
      "theme_frame": "soimo1-ffskin.jpg"
    },
    "colors": {
      "frame": "#edac5c",
      "tab_background_text": "#fffced"
    }
  },
  "version": "2.0",
  "name": "soimo-firework",
  "manifest_version": 2,
  "description": "Gyakumanga hiyori fan-art\nsora x imoko"
}