Examine source code of Pastel Petals

{
  "theme": {
    "images": {
      "theme_frame": "PastelPetals_header_byLisa.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Pastel Petals",
  "manifest_version": 2,
  "description": "Pink, white and fuchsia colored flowers enhance your Firefox browser. [background design, floral pattern, Summer, Spring] \n\nchild friendly persona\n\nPersonas by LisaAtTheBeach"
}