Examine source code of Orange gradient stripes

{
  "theme": {
    "images": {
      "theme_frame": "orange.png"
    },
    "colors": {
      "frame": "#f5900c",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Orange gradient stripes",
  "manifest_version": 2,
  "description": "orange gradient stripes"
}