[gnome-calculator] Also add padding to the infoview (bgo#743499)

[Robert Roth <robertroth src gnome org>]

commit 1bf0923b0bce39ee1073e037c6180c888f014220
Author: Robert Roth <robert roth off gmail com>
Date:   Wed Oct 19 15:17:08 2016 +0300

    Also add padding to the infoview (bgo#743499)

 data/calculator.css   |    8 +++++++-
 data/math-window.ui   |    2 +-
 src/math-display.vala |    3 +++
 3 files changed, 11 insertions(+), 2 deletions(-)
---
diff --git a/data/calculator.css b/data/calculator.css
index 534a34c..3bab747 100644
--- a/data/calculator.css
+++ b/data/calculator.css
@@ -3,11 +3,17 @@
 }
 
 .sourceview {
-  padding: 0px 16px;
+  padding: 0px 12px;
+}
+
+.info-view {
+  padding: 0px 12px;
+  padding-bottom: 4px;
 }
 
 .equation-symbol {
   padding: 0px 12px;
+  color: lighter(@theme_fg_color);
 }
 
 window > grid {
diff --git a/data/math-window.ui b/data/math-window.ui
index 2bb182c..ebae08f 100644
--- a/data/math-window.ui
+++ b/data/math-window.ui
@@ -67,7 +67,7 @@
             <property name="vadjustment">vadjustment</property>
             <property name="hscrollbar_policy">never</property>
             <property name="shadow_type">in</property>
-            <property name="min_content_height">166</property>
+            <property name="min_content_height">170</property>
             <child>
               <placeholder/>
             </child>
diff --git a/src/math-display.vala b/src/math-display.vala
index 2f0f179..8ba2283 100644
--- a/src/math-display.vala
+++ b/src/math-display.vala
@@ -77,6 +77,9 @@ public class MathDisplay : Gtk.Viewport
         info_box.pack_start (info_view, true, true, 0);
         info_buffer = info_view.get_buffer ();
 
+        style_context = info_view.get_style_context ();
+        style_context.add_class ("info-view");
+
         spinner = new Gtk.Spinner ();
         info_box.pack_end (spinner, false, false, 0);