Examine source code of yet another blue gradient

{
  "theme": {
    "images": {
      "theme_frame": "blueGlow.jpg"
    },
    "colors": {
      "frame": "#ffc400",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "yet another blue gradient",
  "manifest_version": 2,
  "description": "just testing to see how this works"
}