Examine source code of It Is Radioactive

{
  "theme": {
    "images": {
      "theme_frame": "radioactivepersona.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#fceb00"
    }
  },
  "version": "2.0",
  "name": "It Is Radioactive",
  "manifest_version": 2,
  "description": "A radioactive persona!"
}