Examine source code of Insane Prototype

{
  "theme": {
    "images": {
      "theme_frame": "Header.PNG"
    },
    "colors": {
      "frame": "#04f700",
      "tab_background_text": "#04f700"
    }
  },
  "version": "2.0",
  "name": "Insane Prototype",
  "manifest_version": 2,
  "description": "Prototype why would you do that |D"
}