Examine source code of Green Wall

{
  "theme": {
    "images": {
      "theme_frame": "zielonymur.jpg"
    },
    "colors": {
      "frame": "#546951",
      "tab_background_text": "#141313"
    }
  },
  "version": "2.0",
  "name": "Green Wall",
  "manifest_version": 2,
  "description": "Green Wall"
}