Examine source code of Dark Blue Hex

{
  "theme": {
    "images": {
      "theme_frame": "hexhead.jpg"
    },
    "colors": {
      "frame": "#a0a0a0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark Blue Hex",
  "manifest_version": 2,
  "description": "A stylish dark blue hexagonal design."
}