diff --git a/data/styles/outdoors/include/Basemap.mapcss b/data/styles/outdoors/include/Basemap.mapcss
index 4c50ea1d1..6f358c52b 100644
--- a/data/styles/outdoors/include/Basemap.mapcss
+++ b/data/styles/outdoors/include/Basemap.mapcss
@@ -174,47 +174,41 @@ line|z15-[isoline=zero],
 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|z10[isoline=step_1000],
+line|z10[isoline=step_500],
+{width: 1.0; opacity: 0.3;}
+line|z11-12[isoline=step_1000],
+line|z11-12[isoline=step_500],
+{width: 1.6; opacity: 0.3;}
+line|z11-12[isoline=step_100],
+{width: 1.1; opacity: 0.3;}
 
-line|z12-13[isoline=step_1000],
-{width: 1.0; opacity: 0.45;}
-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|z13-14[isoline=step_1000],
+line|z13-14[isoline=step_500],
+{width: 1.6; opacity: 0.4;}
+line|z13-14[isoline=step_100],
+{width: 1.6; opacity: 0.25;}
+line|z13-14[isoline=step_50],
+{width: 1.1; opacity: 0.25;}
 
-line|z14-[isoline=step_1000],
-{width: 1.2; opacity: 0.5;}
-line|z14-15[isoline=step_500],
-{width: 1.0; opacity: 0.45;}
-line|z14-15[isoline=step_100],
-{width: 0.8; opacity: 0.35;}
-line|z14-15[isoline=step_50],
-{width: 0.8; opacity: 0.25;}
-
-line|z15[isoline=zero],
-line|z15[isoline=step_10],
-{width: 0.8; opacity: 0.25;}
+line|z15-16[isoline=step_1000],
+line|z15-16[isoline=step_500],
+{width: 1.6; opacity: 0.5;}
+line|z15-16[isoline=step_100],
+line|z15-16[isoline=step_50],
+{width: 1.6; opacity: 0.35;}
+line|z15-16[isoline=step_50],
+{width: 1.6; opacity: 0.25;}
+line|z15-16[isoline=zero],
+line|z15-16[isoline=step_10],
+{width: 1.1; opacity: 0.35;}
 
+line|z17-[isoline=step_1000],
 line|z16-[isoline=step_500],
-{width: 1.2; opacity: 0.5;}
-line|z16-[isoline=step_100],
-{width: 1.0; opacity: 0.45;}
-line|z16-17[isoline=step_50],
-{width: 0.8; opacity: 0.35;}
-line|z16-17[isoline=zero],
-line|z16-17[isoline=step_10],
-{width: 0.8; opacity: 0.35;}
-
-line|z18-[isoline=step_50],
-{width: 1.0; opacity: 0.45;}
-line|z18-[isoline=zero],
-line|z18-[isoline=step_10],
-{width: 0.8; opacity: 0.45;}
+{width: 1.6; opacity: 0.6;}
+line|z17-[isoline=step_100],
+line|z17-[isoline=step_50],
+{width: 1.6; opacity: 0.5;}
+line|z17-[isoline=zero],
+line|z17-[isoline=step_10],
+{width: 1.6; opacity: 0.35;}
diff --git a/data/styles/outdoors/include/Basemap_label.mapcss b/data/styles/outdoors/include/Basemap_label.mapcss
index e158bcd2e..14a074212 100644
--- a/data/styles/outdoors/include/Basemap_label.mapcss
+++ b/data/styles/outdoors/include/Basemap_label.mapcss
@@ -22,17 +22,22 @@ line[isoline]
 {text-position: line;}
 
 line|z10-[isoline=step_1000],
-{text:name;font-size: 9;fill-opacity: 0.7;text-color: @label_isoline1000;}
+{text:name; font-size: 9; text-color: @label_isoline1000;}
 
 line|z11-[isoline=step_500],
-{text:name;font-size: 9;fill-opacity: 0.7;text-color: @label_isoline500;}
+{text:name; font-size: 9; text-color: @label_isoline500;}
 
 line|z13-[isoline=step_100],
-{text:name;font-size: 9;fill-opacity: 0.7;text-color: @label_isoline100;}
+{text:name; font-size: 9; text-color: @label_isoline100;}
+
+line|z15-[isoline=step_1000],
+line|z15-[isoline=step_500],
+line|z15-[isoline=step_100],
+{font-size: 10;}
 
 line|z15-[isoline=step_50],
 line|z15-[isoline=zero],
-{text:name;font-size: 9;fill-opacity: 0.7;text-color: @label_isoline50;}
+{text:name; font-size: 10; text-color: @label_isoline50;}
 
 line|z16-[isoline=step_10],
-{text:name;font-size: 9;fill-opacity: 0.7;text-color: @label_isoline10;}
+{text:name; font-size: 10; text-color: @label_isoline10;}