Examine source code of brushed blue metal

{
  "theme": {
    "images": {
      "theme_frame": "9.jpg"
    },
    "colors": {
      "frame": "#0e1f4a",
      "tab_background_text": "#f0f5ff"
    }
  },
  "version": "2.0",
  "name": "brushed blue metal",
  "manifest_version": 2
}