The style of the FullSWOF-utils manual follows that of the GNU Emacs
manual[0].  The following style sheet files (*.css) have been copied
from gnu.org:

i) manual.css[1], Revision 1.5,

ii) style.css[2], Revision 1.48,

iii) reset.css[3], Revision 1.18.

[0] https://www.gnu.org/software/emacs/manual/html_node/emacs/index.html
[1] http://web.cvs.savannah.gnu.org/viewvc/gnulib/gnulib/manual.css
[2] http://web.cvs.savannah.gnu.org/viewvc/www/www/style.css
[3] http://web.cvs.savannah.gnu.org/viewvc/www/www/reset.css