Examine source code of Firefighting

{
  "theme": {
    "images": {
      "theme_frame": "personas.jpg"
    },
    "colors": {
      "frame": "#631f09",
      "tab_background_text": "#a62805"
    }
  },
  "version": "2.0",
  "name": "Firefighting",
  "manifest_version": 2,
  "description": "Firelight."
}