Examine source code of Bannercat

{
  "theme": {
    "images": {
      "theme_frame": "bannercat.jpg"
    },
    "colors": {
      "frame": "#e82abc",
      "tab_background_text": "#eb15b2"
    }
  },
  "version": "2.0",
  "name": "Bannercat",
  "manifest_version": 2,
  "description": "We are Siamese if you please...."
}