[gnome-software] Use the OSD theme for the upgrade banner buttons

[Richard Hughes <rhughes src gnome org>]

commit 8439a08e3c4c3e7dee6287f40a222e13b0e74907
Author: Richard Hughes <richard hughsie com>
Date:   Wed Apr 20 11:11:40 2016 +0100

    Use the OSD theme for the upgrade banner buttons

 src/gs-upgrade-banner.ui |   24 ++++++++----------------
 src/gtk-style.css        |   11 ++++-------
 2 files changed, 12 insertions(+), 23 deletions(-)
---
diff --git a/src/gs-upgrade-banner.ui b/src/gs-upgrade-banner.ui
index d1ce4f5..67b0e60 100644
--- a/src/gs-upgrade-banner.ui
+++ b/src/gs-upgrade-banner.ui
@@ -57,6 +57,10 @@
             <property name="valign">end</property>
             <property name="spacing">12</property>
             <property name="margin_top">16</property>
+            <style>
+              <class name="osd"/>
+              <class name="upgrade-buttons"/>
+            </style>
             <child>
               <object class="GtkButton" id="button_upgrades_help">
                 <property name="label" translatable="yes">_Learn More</property>
@@ -65,10 +69,7 @@
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
                 <property name="use_underline">True</property>
-                <property name="relief">none</property>
-                <style>
-                  <class name="upgrade-button"/>
-                </style>
+                <property name="relief">normal</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -122,10 +123,7 @@
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
                 <property name="use_underline">True</property>
-                <property name="relief">none</property>
-                <style>
-                  <class name="upgrade-button"/>
-                </style>
+                <property name="relief">normal</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -140,10 +138,7 @@
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
                 <property name="use_underline">True</property>
-                <property name="relief">none</property>
-                <style>
-                  <class name="upgrade-button"/>
-                </style>
+                <property name="relief">normal</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -158,10 +153,7 @@
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
                 <property name="use_underline">True</property>
-                <property name="relief">none</property>
-                <style>
-                  <class name="upgrade-button"/>
-                </style>
+                <property name="relief">normal</property>
               </object>
               <packing>
                 <property name="expand">False</property>
diff --git a/src/gtk-style.css b/src/gtk-style.css
index e5d60ce..0f643fc 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -279,16 +279,13 @@ button.star, .button.star {
 .upgrade-banner {
        background-color: #1c5288;
        border-radius: 14px;
-       padding: 18px;
+       padding: 0px;
        color: @theme_selected_fg_color;
 }
 
-.upgrade-button {
-       background-image: none;
-       background-color: #5899dc;
-       box-shadow: none;
-       color: @theme_selected_fg_color;
-       border-color: @theme_selected_bg_color;
+.upgrade-buttons {
+       padding: 18px;
+       border-radius: 0px 0px 14px 14px;
 }
 
 .upgrade-progressbar {