Examine source code of chitha_green

{
  "theme": {
    "images": {
      "theme_frame": "escena___.jpg"
    },
    "colors": {
      "frame": "#66b30e",
      "tab_background_text": "#fce40a"
    }
  },
  "version": "2.0",
  "name": "chitha_green",
  "manifest_version": 2
}