Examine source code of Vox Populi

{
  "theme": {
    "images": {
      "theme_frame": "gray_header001.jpg"
    },
    "colors": {
      "frame": "#8a8e8f",
      "tab_background_text": "#8a8e8f"
    }
  },
  "version": "2.0",
  "name": "Vox Populi",
  "manifest_version": 2
}