Examine source code of The sunnyday

{
  "theme": {
    "images": {
      "theme_frame": "myvision.jpg"
    },
    "colors": {
      "frame": "#120202",
      "tab_background_text": "#f20c3e"
    }
  },
  "version": "2.0",
  "name": "The sunnyday",
  "manifest_version": 2,
  "description": "The beauty of sun"
}