From a0979befd2193a11f5f8551a70fd6150b83bc910 Mon Sep 17 00:00:00 2001
From: James Dominy <jgdominy@gmail.com>
Date: Wed, 20 Aug 2014 15:57:42 +0200
Subject: [PATCH] Adds an extra class (axis) to horizontal guides if the label
 is "0"

---
 pygal/graph/graph.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pygal/graph/graph.py b/pygal/graph/graph.py
index d50134e..9a16714 100644
--- a/pygal/graph/graph.py
+++ b/pygal/graph/graph.py
@@ -229,7 +229,8 @@ class Graph(BaseGraph):
                 self.svg.node(
                     guides, 'path',
                     d='M%f %f h%f' % (0, y, self.view.width),
-                    class_='%s%sline' % (
+                    class_='%s%s%sline' % (
+                        'axis ' if label == "0" else '',
                         'major ' if major else '',
                         'guide ' if position != 0 else ''))
             text = self.svg.node(