Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 10825)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 10896)
@@ -1061,5 +1061,5 @@
     color: ski#809bc0;
 }
-area[piste:difficulty=easy][!highway]:closed::core_piste {
+area[piste:difficulty=easy][!highway][area=yes]::core_piste {
     fill-color: piste_easy#0000ff;
 }
@@ -1070,5 +1070,5 @@
     color: piste_easy#0000ff;
 }
-area[piste:difficulty=intermediate][!highway]:closed::core_piste {
+area[piste:difficulty=intermediate][!highway][area=yes]::core_piste {
     fill-color: piste_intermediate#ff0000;
 }
@@ -1079,5 +1079,5 @@
     color: piste_intermediate#ff0000;
 }
-area[piste:difficulty=advanced][!highway]:closed::core_piste {
+area[piste:difficulty=advanced][!highway][area=yes]::core_piste {
     fill-color: piste_advanced#606060;
 }
@@ -1088,5 +1088,5 @@
     color: piste_advanced#606060;
 }
-area[piste:difficulty=expert][!highway]:closed::core_piste {
+area[piste:difficulty=expert][!highway][area=yes]::core_piste {
     fill-color: piste_expert#606060;
 }
@@ -1097,5 +1097,5 @@
     color: piste_expert#606060;
 }
-area[piste:difficulty=freeride][!highway]:closed::core_piste {
+area[piste:difficulty=freeride][!highway][area=yes]::core_piste {
     fill-color: piste_freeride#ffff00;
 }
@@ -1106,5 +1106,5 @@
     color: piste_freeride#ffff00;
 }
-area[piste:difficulty=novice][!highway]:closed::core_piste {
+area[piste:difficulty=novice][!highway][area=yes]::core_piste {
     fill-color: piste_novice#00ff00;
 }