Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 15017)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 15061)
@@ -147,4 +147,5 @@
 way[tunnel=yes]::core_tunnel,
 way[tunnel=culvert]::core_tunnel,
+way[tunnel=flooded]::core_tunnel,
 way[tunnel=building_passage]::core_tunnel,
 way[tunnel=avalanche_protector]::core_tunnel {