Examine source code of Sunset Glow Theme

{
  "manifest_version": 2,
  "name": "Sunset Glow Theme",
  "description": "A simple Firefox theme with sunset glow color style.",
  "version": "1.0",
  "theme": {
    "colors": {
      "frame": "#FF7043",
      "tab_background_text": "#FFFFFF",
      "toolbar": "#FFE0B2",
      "toolbar_text": "#000000",
      "tab_line": "#FF7043",
      "tab_selected": "#FF7043",
      "toolbar_field": "#FFE0B2",
      "toolbar_field_text": "#000000",
      "popup": "#FFE0B2",
      "popup_text": "#000000"
    }
  },
  "icons": {
    "48": "icon.png",
    "96": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{827a8a00-84c6-4ec1-b5a4-e0801bab2acc}"
    }
  }
}