Examine source code of tst halloween

{
  "theme": {
    "images": {
      "theme_frame": "test.png"
    },
    "colors": {
      "frame": "#2b1d1d",
      "tab_background_text": "#e8a354"
    }
  },
  "version": "2.0",
  "name": "tst halloween",
  "manifest_version": 2,
  "description": "halloween"
}