diff --git a/static/css/main.css b/static/css/main.css
index 8607327..f10f931 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -1,3 +1,8 @@
+@media (prefers-color-scheme: dark) {
+    html, img, video, iframe { filter: invert(1);  }
+    body { background-color: white; }
+}
+
 html {
     height: 102%;
 }