Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 8137)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 8139)
@@ -291,6 +291,6 @@
     fill-color: building#cb9999;
 }
-area[building:part=yes] {
-    fill-color: building#dcbbbb;
+area[building:part][!building:part?!] {
+    fill-color: buildingpart#dcbbbb;
 }
 node[building][!building?!] {