[FIX] l10n_de: din5008

During this pr (https://github.com/odoo/odoo/pull/121413

), we have made a few
css changes on the din5008 format, some of them needed to be revert because they
 broke the layout.

closes odoo/odoo#134775

Task: 3495712
Signed-off-by: Florian Gilbert (flg) <flg@odoo.com>