Examine source code of Sunset Land

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#333232",
      "tab_background_text": "#9e4cd4"
    }
  },
  "version": "2.0",
  "name": "Sunset Land",
  "manifest_version": 2,
  "description": "I shot that picture at my home and i think that beautiful."
}