Examine source code of Ocean deep

{
  "theme": {
    "images": {
      "theme_frame": "water.jpg"
    },
    "colors": {
      "frame": "#97b1ed",
      "tab_background_text": "#03013d"
    }
  },
  "version": "2.0",
  "name": "Ocean deep",
  "manifest_version": 2,
  "description": "A nice and calm patch of self-made clear-blue ocean."
}