When the user adds the "Title" or "Certificate" in a large number of characters, the content goes beyond the window. Technical: By using this class it applies width 100%, which resolves the issue. Now, the content stays within the sheet. Task-3368902 closes odoo/odoo#129014 X-original-commit: 44720aa6e7080ce849af329d8c92681489e093fb Signed-off-by: Warnon Aurélien (awa) <awa@odoo.com>