Examine source code of Smooth Purple Orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "purple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(32, 0, 108)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(130, 104, 191)",
      "tab_line": "rgb(255, 103, 0)",
      "popup": "rgb(32, 0, 108)",
      "popup_text": "rgb(240, 240, 240)",
      "ntp_background": "rgb(32, 0, 108)",
      "popup_border": "rgb(255, 103, 0)",
      "sidebar_border": "rgba(255, 103, 0, 0)",
      "tab_loading": "rgb(255, 103, 0)",
      "toolbar_bottom_separator": "rgba(32, 0, 108, 0)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0.9)",
      "toolbar_field_separator": "rgba(32, 0, 108, 0)",
      "toolbar_field_text_focus": "rgb(130, 104, 191)",
      "toolbar_top_separator": "rgba(32, 0, 108, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{df1f49b9-0dbd-4945-a739-0cbf8cc5b4f5}"
    }
  }
}