Examine source code of Planet Floating In Space

{
  "theme": {
    "images": {
      "theme_frame": "persona2-mini.jpg"
    },
    "colors": {
      "frame": "#798fa6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Planet Floating In Space",
  "manifest_version": 2,
  "description": "A lone planet somewhere far away in the cold space.\n\nMy first real photoshop project. :)"
}