/usr/share/ktelepathy/styles/renkoo.AdiumMessageStyle/Contents/Resources/Styles/noname.css is in kde-telepathy-text-ui 4:15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | .x-name
{
display: none;
}
|