Examine source code of Wolf at Sunset

{
  "name": "Wolf at Sunset",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "WolfatSunsetHcopy.jpg"
    },
    "colors": {
      "frame": "rgba(224, 70, 49, 1)",
      "tab_background_text": "rgba(255, 255, 0, 1)",
      "toolbar": "rgba(224, 71, 47, 0)",
      "bookmark_text": "rgba(255, 255, 0, 1)",
      "toolbar_field": "rgba(224, 71, 47, 0.05)",
      "toolbar_field_text": "rgba(252, 255, 176, 1)",
      "tab_line": "rgba(252, 255, 176, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2f9fd0d-a901-4a83-ac87-b443b58427a3}"
    }
  }
}