[gnome-maps/wip/jonasdn/vector-tiles] stack bigger roads over smaller roads

[Andreas Nilsson <andreasn src gnome org>]

commit 6499200a1500bfd1df3473daef94c28b8b1a211f
Author: Andreas Nilsson <anilsson redhat com>
Date:   Sun May 3 02:12:24 2015 +0200

    stack bigger roads over smaller roads

 data/gnome-maps.mapcss |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-maps.mapcss b/data/gnome-maps.mapcss
index b6c6c47..9ed0d47 100644
--- a/data/gnome-maps.mapcss
+++ b/data/gnome-maps.mapcss
@@ -119,6 +119,7 @@ way|z15[highway=living_street],
 way|z15[highway=steps] {
     width: 1;
     casing-width: 0;
+    z-index: 1;
 }
 
 way|z11[highway=secondary],
@@ -137,6 +138,7 @@ way|z16[highway=steps] {
     width: 2;
     color: #c7b8a4;
     casing-width: 0;
+    z-index: 2;
 }
 
 way|z12[highway=secondary],
@@ -154,6 +156,7 @@ way|z17[highway=living_street],
 way|z17[highway=steps] {
     width: 3;
     color: #ffffff;
+    z-index: 3;
 }
 
 way|z13[highway=secondary],
@@ -163,6 +166,7 @@ way|z15[highway=road],
 way|z16[highway=residential] {
     width: 4;
     color: #ffffff;
+    z-index: 4;
 }
 
 way|z14-17[highway=secondary],
@@ -172,6 +176,7 @@ way|z16[highway=road],
 way|z17[highway=residential] {
     width: 7;
     color: #ffffff;
+        z-index: 5;
 }
 
 way|z11-12[highway=residential] {