Examine source code of Happy Flowers IV

{
  "theme": {
    "images": {
      "theme_frame": "HappyFlowers_IV_header_byLisa.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Happy Flowers IV",
  "manifest_version": 2,
  "description": "forest green hand drawn flowers beautify your Firefox browser, floral, soothing colors\n\nchild friendly persona\n\nPersonas by LisaAtTheBeach"
}