Examine source code of Birthday prime squadron

{
  "theme": {
    "images": {
      "theme_frame": "Sanstitre-1.png"
    },
    "colors": {
      "frame": "#0f0d0d",
      "tab_background_text": "#dec7c7"
    }
  },
  "version": "2.0",
  "name": "Birthday prime squadron",
  "manifest_version": 2,
  "description": ":p"
}