Examine source code of Forest Fog

{
  "name": "Forest Fog",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "omer-tunc-wolverin-copy.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(5, 180, 255, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(78, 124, 181, 0.6)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(28, 139, 173, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{024dba6a-2091-47b9-ac86-2762021a2d98}"
    }
  }
}