Examine source code of Floral Collage FT

{
  "name": "Floral Collage FT",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "Ready_AutoCollage_12_Images_5Custom.jpg"
    },
    "colors": {
      "frame": "rgba(82, 82, 82, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(74, 72, 72, 0)",
      "bookmark_text": "rgba(255, 252, 252, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{70257ba5-a747-4580-8566-6fe48df89358}"
    }
  }
}