Examine source code of Blakely's Blue Gradient

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0d0c0c",
      "tab_background_text": "#e2ed1a"
    }
  },
  "version": "2.0",
  "name": "Blakely's Blue Gradient",
  "manifest_version": 2,
  "description": "Money always ends up making you blue.~The Catcher In the Rye\n\nTAGS:\n     Blue, Gradient"
}