/usr/lib/thunderbird-addons/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/chrome/lightning/skin/lightning/imip.css is in xul-ext-lightning 1:24.4.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | /* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
@import url(chrome://lightning/skin/common/imip.css);
|