La couleur d'arrière-plan du pied de page de la barre latérale d'administration provient de la barre latérale par défaut

[nolo (Manuel)]

A small glitch:

I guess it’s because .admin-panel is only added to the sections, not to the wrapper:

[MihirR (Mihir)]

I always wondered if it was an intentional design, a partition between the upper and lower menu :))