Examine source code of Afternoon Outside

{
  "name": "Afternoon Outside",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "AfternoonOutsideHcopy.jpg"
    },
    "colors": {
      "frame": "rgba(180, 214, 145, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(179, 214, 144, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(179, 214, 144, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{97b6d89d-21c9-4bce-9463-fdd1cfff6687}"
    }
  }
}