diff --git a/data/styles/outdoors/include/Basemap.mapcss b/data/styles/outdoors/include/Basemap.mapcss
index ee44ae9d8b..e91fc57d20 100644
--- a/data/styles/outdoors/include/Basemap.mapcss
+++ b/data/styles/outdoors/include/Basemap.mapcss
@@ -164,21 +164,22 @@ line|z10-[isoline=step_1000],
 line|z10-[isoline=step_500],
 {color: @isoline500;}
 
-line|z12-[isoline=step_100],
+line|z11-[isoline=step_100],
 {color: @isoline100;}
 
-line|z14-[isoline=step_50],
+line|z13-[isoline=step_50],
 line|z15-[isoline=zero],
 {color: @isoline50;}
 
 line|z15-[isoline=step_10],
 {color: @isoline10;}
 
-
 line|z10-11[isoline=step_1000],
 {width: 0.8; opacity: 0.45;}
 line|z10-11[isoline=step_500],
 {width: 0.8; opacity: 0.25;}
+line|z11[isoline=step_100],
+{width: 0.6; opacity: 0.15;}
 
 line|z12-13[isoline=step_1000],
 {width: 1.0; opacity: 0.45;}
@@ -186,6 +187,8 @@ line|z12-13[isoline=step_500],
 {width: 0.8; opacity: 0.35;}
 line|z12-13[isoline=step_100],
 {width: 0.8; opacity: 0.25;}
+line|z13[isoline=step_50],
+{width: 0.6; opacity: 0.15;}
 
 line|z14-[isoline=step_1000],
 {width: 1.2; opacity: 0.5;}