Examine source code of Sky Delights

{
  "name": "Sky Delights",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "skydelightsH2.jpg"
    },
    "colors": {
      "frame": "rgba(7, 50, 135, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(7, 46, 138, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(7, 46, 138, 0.08)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{092c60fc-605e-4b98-9a41-2e0b2991f0c9}"
    }
  }
}