firefox 69 and css

[François Patte]

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Bonjour,

While upgrading to firefox 69, the css syntax to configure firefox
seems to have been changed (once more..... programmers think that
people have time to waste!) .

Once upon a time, I found the syntax to have my tab-bar below the
other bars (lot of waste time), and now, with the last version of
firefox, this is lost.

I continue to waste my time, desperatly searching what is the right
syntax, but I did not find any clue.

Does anybody have information?

Thank you.

- -- 
François Patte
UFR de mathématiques et informatique
Laboratoire CNRS MAP5, UMR 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. [phone]
http://www.math-info.univ-paris5.fr/~patte
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