Examine source code of Tokyostorm

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Tokyostorm",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(41, 46, 66)",
      "toolbar_text": "rgb(192, 202, 245)",
      "frame": "rgb(36, 40, 59)",
      "tab_background_text": "rgb(192, 202, 245)",
      "toolbar_field": "rgb(31, 35, 53)",
      "toolbar_field_text": "rgb(122, 162, 247)",
      "tab_line": "rgb(122, 162, 247)",
      "popup": "rgb(41, 46, 66)",
      "popup_text": "rgb(192, 202, 245)",
      "icons_attention": "rgb(187, 154, 247)",
      "icons": "rgb(122, 162, 247)",
      "tab_selected": "rgb(41, 46, 66)",
      "tab_text": "rgb(122, 162, 247)",
      "toolbar_bottom_separator": "rgba(4, 196, 199, 0)",
      "toolbar_field_border_focus": "rgb(122, 162, 247)",
      "toolbar_field_focus": "rgb(31, 35, 53)",
      "toolbar_field_highlight_text": "rgb(31, 35, 53)",
      "toolbar_field_highlight": "rgb(122, 162, 247)",
      "toolbar_field_separator": "rgba(250, 16, 144, 0)",
      "toolbar_field_text_focus": "rgb(122, 162, 247)",
      "toolbar_top_separator": "rgba(4, 196, 199, 0)",
      "toolbar_vertical_separator": "rgba(4, 196, 199, 0)",
      "tab_loading": "rgb(122, 162, 247)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e942a32f-2015-482f-b98e-6a8a84e7c39f}"
    }
  }
}