[california] Make the color button in the added calendar dialog higher: Close bgo#730462

[Jim Nelson <jnelson src gnome org>]

commit 7c00ed617318d3be98fcaee1b65896361afab458
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Tue May 20 18:50:18 2014 +0300

    Make the color button in the added calendar dialog higher: Close bgo#730462

 src/rc/webcal-subscribe.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/rc/webcal-subscribe.ui b/src/rc/webcal-subscribe.ui
index df8749a..44af330 100644
--- a/src/rc/webcal-subscribe.ui
+++ b/src/rc/webcal-subscribe.ui
@@ -69,6 +69,9 @@
             <property name="valign">end</property>
             <property name="title" translatable="yes">Select a color for the Web calendar</property>
             <property name="rgba">rgb(32,32,204)</property>
+            <style>
+              <class name="image-button"/>
+            </style>
           </object>
           <packing>
             <property name="expand">False</property>