Examine source code of ttrying

{
  "theme": {
    "images": {
      "theme_frame": "pencils-.JPG"
    },
    "colors": {
      "frame": "#f7f71e",
      "tab_background_text": "#ed2898"
    }
  },
  "version": "2.0",
  "name": "ttrying",
  "manifest_version": 2
}