Examine source code of Cielo estrellado

{
  "theme": {
    "images": {
      "theme_frame": "estrella1.png"
    },
    "colors": {
      "frame": "#f272a7",
      "tab_background_text": "#f5b1ee"
    }
  },
  "version": "2.0",
  "name": "Cielo estrellado",
  "manifest_version": 2
}