Assegnate 4 su 5 stelle

Hello, earlier I had installed Stationary and I made some papers. One of them had a blue background, but also when I was writing some emails especially in resond modus this blue background was shown. So I deinstalled thes addon but the blue background is still alive. What can I do to stop this blue background?

Questa recensione riguarda una versione precedente (0.9.0.2) del componente aggiuntivo.