Examine source code of Vignette Skies

{
  "theme": {
    "images": {
      "theme_frame": "headerpersona.jpg"
    },
    "colors": {
      "frame": "#9c9c9c",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Vignette Skies",
  "manifest_version": 2,
  "description": "\"Vignette Skies\" was made by myself. With my own photo that had taken last year when I was spending my weekend at Padang Besar, Malaysia."
}