Examine source code of Philippine Sunset

{
  "theme": {
    "images": {
      "theme_frame": "PhilippinesSunset.jpg"
    },
    "colors": {
      "frame": "#360303",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Philippine Sunset",
  "manifest_version": 2,
  "description": "A shot of sunset from Alabat Island"
}