[gnome-maps/wip/jonasdn/vector-tiles] Render tracks thinner and remove some rendundent road rules.

[Marcus Lundblad <mlundblad src gnome org>]

commit 7c3fff1222f86854f3a436e756ac8c80c56cb0c8
Author: Marcus Lundblad <ml update uu se>
Date:   Sat May 23 14:21:54 2015 +0200

    Render tracks thinner and remove some rendundent road rules.

 data/roads.mapcss |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/data/roads.mapcss b/data/roads.mapcss
index db4520a..cce2473 100644
--- a/data/roads.mapcss
+++ b/data/roads.mapcss
@@ -98,9 +98,7 @@ way|z13[highway=unclassified],
 way|z13[highway=road],
 way|z14[highway=residential],
 way|z16[highway=service],
-way|z16[highway=footway],
 way|z16[highway=pedestrian],
-way|z16[highway=track],
 way|z16[highway=living_street],
 way|z16[highway=steps] {
     width: 1;
@@ -115,8 +113,6 @@ way|z14[highway=unclassified],
 way|z14[highway=road],
 way|z15[highway=residential],
 way|z17[highway=service],
-way|z17[highway=footway],
-way|z17[highway=track],
 way|z17[highway=living_street],
 way|z17[highway=steps] {
     width: 3;
@@ -124,6 +120,13 @@ way|z17[highway=steps] {
     z-index: 3;
 }
 
+way|z16-17[highway=track] {
+  width: 1;
+  casing-width: 1;
+  color: white;
+  z-index: 3;
+}
+
 way|z16[highway=cycleway] {
   width: 1;
   color: #eeeeee;