Examine source code of zenCopperChangingRoom

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "zenCopperChangingRoom",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(250, 210, 140)",
      "toolbar_text": "rgb(50, 56, 87)",
      "frame": "rgb(250, 210, 140)",
      "tab_background_text": "rgb(65, 70, 73)",
      "toolbar_field": "rgb(100, 106, 109)",
      "toolbar_field_text": "rgb(219, 223, 226)",
      "tab_line": "rgba(232, 236, 242, 0.04)",
      "popup": "rgb(50, 56, 87)",
      "popup_text": "rgb(219, 223, 226)",
      "icons_attention": "rgb(136, 196, 28)",
      "icons": "rgb(50, 56, 87)",
      "ntp_background": "rgb(65, 90, 55)",
      "ntp_text": "rgb(219, 223, 226)",
      "tab_background_separator": "rgba(240, 240, 245, 0)",
      "tab_selected": "rgb(50, 56, 87)",
      "tab_text": "rgb(240, 240, 244)",
      "toolbar_bottom_separator": "rgba(61, 61, 132, 0)",
      "toolbar_field_separator": "rgba(240, 240, 245, 0)",
      "toolbar_top_separator": "rgba(240, 240, 244, 0)",
      "tab_loading": "rgba(232, 236, 242, 0.04)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f800e3cd-d307-49fa-9a98-bf971ae8483a}"
    }
  }
}