Examine source code of Acid Spider

{
  "name": "Acid Spider",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "abstrakt36.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(7, 189, 128, 0.68)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(230, 80, 21, 0.72)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{208b4f6f-7af9-4478-adda-f75dd87bbb20}"
    }
  }
}