Examine source code of Minty Kitty

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#56d420",
      "tab_background_text": "#8d0da6"
    }
  },
  "version": "2.0",
  "name": "Minty Kitty",
  "manifest_version": 2,
  "description": "Some creatures known as Dioxidons, they are here to brighten up your day"
}