Examine source code of Watson

{
  "theme": {
    "images": {
      "theme_frame": "Testit.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#f2f5ff"
    }
  },
  "version": "2.0",
  "name": "Watson",
  "manifest_version": 2,
  "description": "Trying to make a Sherlock Header."
}