Examine source code of techno3

{
  "theme": {
    "images": {
      "theme_frame": "techno3.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#4dff00"
    }
  },
  "version": "2.0",
  "name": "techno3",
  "manifest_version": 2,
  "description": "tron style persona technology computer glow neon blue futuristic brushes"
}