Examine source code of Ab_2251

{
  "theme": {
    "images": {
      "theme_frame": "beam2.jpg"
    },
    "colors": {
      "frame": "#dcfafa",
      "tab_background_text": "#fcffff"
    }
  },
  "version": "2.0",
  "name": "Ab_2251",
  "manifest_version": 2
}