diff --git a/css/style.css b/css/style.css
index 2dbf8c2..31f7ae0 100644
--- a/css/style.css
+++ b/css/style.css
@@ -783,3 +783,8 @@ table.dataTable.display tbody tr:hover.selected {
     left: 50%;
     transform: translate(-50%, -50%);
 }
+
+/* Gray out non selectable layers (zoom out of scope, etc.) */
+.leaflet-control-layers-selector[disabled] ~ span {
+    color: #777;
+}