diff --git a/css/style.css b/css/style.css
index 395badf..f3775c8 100644
--- a/css/style.css
+++ b/css/style.css
@@ -27,6 +27,12 @@ dialog[open] {
 }
 
 #map { height: 100vh; }
+@media (prefers-color-scheme: dark) {
+	#map {
+		filter: invert(1) hue-rotate(180deg) grayscale(0.1);
+	}
+}
+
 table.node-info {
 	table-layout: fixed;
 	width: 100%;