Examine source code of Deep Chromatic Moon

{
  "theme": {
    "images": {
      "theme_frame": "deepChromaticMoonUpper.jpg"
    },
    "colors": {
      "frame": "#0266a8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Deep Chromatic Moon",
  "manifest_version": 2,
  "description": "Deeper into tone and color, this is one of a series of color experiments"
}