Examine source code of dimensional dooorways

{
  "theme": {
    "images": {
      "theme_frame": "dimensiondoorways.jpg"
    },
    "colors": {
      "frame": "#f0f4f5",
      "tab_background_text": "#c1b3f2"
    }
  },
  "version": "2.0",
  "name": "dimensional dooorways",
  "manifest_version": 2,
  "description": "doorways to another dimension"
}