design improvements on third party themes

data/style/style.css

@@ -78,6 +78,7 @@
 }
 
 .sidebar .button {
+	background-color: transparent;
 	border: none;
 	box-shadow: none;
 	background-image: none;

data/ui/sidebar-tile.ui

@@ -7,6 +7,7 @@
     <property name="can_focus">False</property>
     <property name="receives_default">True</property>
     <property name="valign">start</property>
+    <property name="margin_right">1</property>
     <child>
       <object class="GtkBox">
         <property name="visible">True</property>

data/ui/sidebar-tile.ui~

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.0 -->
+<interface>
+  <requires lib="gtk+" version="3.14"/>
+  <template class="GradioSidebarTile" parent="GtkButton">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="receives_default">True</property>
+    <property name="valign">start</property>
+    <child>
+      <object class="GtkBox">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="margin_top">5</property>
+        <property name="margin_bottom">5</property>
+        <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkImage" id="Image">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="icon_name">application-rss+xml-symbolic</property>
+            <property name="icon_size">3</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="Label">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">Category</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>

po/gradio.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-09-17 17:20+0200\n"
+"POT-Creation-Date: 2016-09-17 17:37+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"