[gnome-calculator] Adjust style for GTK 3.20

[Carlos Soriano <csoriano src gnome org>]

commit bad0f883d6c086d90ca2e07991dbe2d76de9aa24
Author: Exalm <exalm7659 gmail com>
Date:   Mon Jul 25 13:08:58 2016 +0500

    Adjust style for GTK 3.20
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769142

 data/calculator.css  |    2 +-
 data/history-view.ui |    3 +++
 data/math-window.ui  |    2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/data/calculator.css b/data/calculator.css
index 6b20cb2..003a796 100644
--- a/data/calculator.css
+++ b/data/calculator.css
@@ -1,3 +1,3 @@
-MathDisplay GtkScrolledWindow {
+.history-view {
        border-width: 0 0 1px 0;
 }
diff --git a/data/history-view.ui b/data/history-view.ui
index ce0dcd5..910f144 100644
--- a/data/history-view.ui
+++ b/data/history-view.ui
@@ -26,5 +26,8 @@
         </child>
       </object>
     </child>
+    <style>
+      <class name="history-view"/>
+    </style>
   </template>
 </interface>
diff --git a/data/math-window.ui b/data/math-window.ui
index 4c879e4..c50768a 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">154</property>
+            <property name="min_content_height">158</property>
             <child>
               <placeholder/>
             </child>