Modul:Wikiproject/styles.css

@media screen {
    html.skin-theme-clientpref-night .messagebox.standard-talk {
	     background-color:#2e2505 !important;
	     border:1px solid #c0c090 !important;
	}
}

@media screen and ( prefers-color-scheme: dark) {
    html.skin-theme-clientpref-os .messagebox.standard-talk {
         background-color:#2e2505 !important;
         border:1px solid #c0c090 !important;
    }
}