Examine source code of Flower silhouette

{
  "theme": {
    "images": {
      "theme_frame": "Flower-silhouette_01.jpg"
    },
    "colors": {
      "frame": "#ffc685",
      "tab_background_text": "#696860"
    }
  },
  "version": "2.0",
  "name": "Flower silhouette",
  "manifest_version": 2,
  "description": "花達の優しさが伝わって、心まで癒してくれそう。花にも「想い」があるんだね。"
}