diff --git a/web/gui/src/main/webapp/app/view/app/app.css b/web/gui/src/main/webapp/app/view/app/app.css
index 528c622..ec4972a 100644
--- a/web/gui/src/main/webapp/app/view/app/app.css
+++ b/web/gui/src/main/webapp/app/view/app/app.css
@@ -32,6 +32,19 @@
 }
 
 #app-dialog p {
-    color: darkred;
     font-size: 12pt;
 }
+.light #app-dialog p {
+    color: darkred;
+}
+.dark #app-dialog p {
+    color: #c55;
+}
+
+
+.light #app-dialog.floatpanel.dialog {
+    background-color: #fff;
+}
+.dark #app-dialog.floatpanel.dialog {
+    background-color: #444;
+}