Examine source code of flowing color 1

{
  "theme": {
    "images": {
      "theme_frame": "persona169a.jpg"
    },
    "colors": {
      "frame": "#e66312",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "flowing color 1",
  "manifest_version": 2,
  "description": "orange, black, color, gradient"
}