Examine source code of neon koi

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "neon koi",
  "manifest_version": 2,
  "description": "splatters that look like Koi fish patterns at first glance...and do I need to mention that it's very bright and cheerful?"
}