Examine source code of Dream Course - Windmills

{
  "name": "Dream Course - Windmills",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Dream Course - Windmills.png"
    },
    "colors": {
      "frame": "rgba(32, 56, 224, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(158, 168, 255, 0.29)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.38)",
      "toolbar_field_text": "rgba(16, 110, 20, 1)",
      "tab_line": "rgba(16, 24, 97, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2bf33023-2161-4962-a564-700157b0bb5d}"
    }
  }
}