Examine source code of Kramar

{
  "theme": {
    "images": {
      "theme_frame": "123.PNG"
    },
    "colors": {
      "frame": "#8f8de0",
      "tab_background_text": "#f0dddd"
    }
  },
  "version": "2.0",
  "name": "Kramar",
  "manifest_version": 2
}