Vorlage:Stammbaum/styles.css

.stammbaum td {
	border-color: #000000 !important;
}

/* Dunkelmodus */
@media screen {
	html.skin-theme-clientpref-night .stammbaum td {
	    border-color: #ffffff !important;
	}
}
@media screen and (prefers-color-scheme: dark) {
	html.skin-theme-clientpref-os .stammbaum td {
    	border-color: #ffffff !important;
	}
}