Examine source code of Butterfly-With-Anime

{
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "#b6edb2",
      "tab_background_text": "#b1e6bf"
    }
  },
  "version": "2.0",
  "name": "Butterfly-With-Anime",
  "manifest_version": 2,
  "description": "Butterfly :3"
}