Examine source code of Red berry blue

{
  "theme": {
    "images": {
      "theme_frame": "Plantwithberriesheader.jpg"
    },
    "colors": {
      "frame": "#00a2ff",
      "tab_background_text": "#cf2e23"
    }
  },
  "version": "2.0",
  "name": "Red berry blue",
  "manifest_version": 2,
  "description": "A nice, autumn persona. Light blue and white background, with autumn leaves and berries. Beautiful and calming."
}