diff --git a/examples/application10/window.ui b/examples/application10/window.ui
index c91fb122ff..1c9eeab326 100644
--- a/examples/application10/window.ui
+++ b/examples/application10/window.ui
@@ -37,6 +37,9 @@
               <object class="GtkToggleButton" id="search">
                 <property name="visible">True</property>
                 <property name="sensitive">False</property>
+                <style>
+                  <class name="image-button"/>
+                </style>
                 <child>
                   <object class="GtkImage" id="search-icon">
                     <property name="visible">True</property>
diff --git a/examples/application7/window.ui b/examples/application7/window.ui
index 16e71a9698..589acd52ce 100644
--- a/examples/application7/window.ui
+++ b/examples/application7/window.ui
@@ -23,6 +23,9 @@
               <object class="GtkToggleButton" id="search">
                 <property name="visible">True</property>
                 <property name="sensitive">False</property>
+                <style>
+                  <class name="image-button"/>
+                </style>
                 <child>
                   <object class="GtkImage" id="search-icon">
                     <property name="visible">True</property>
diff --git a/examples/application8/window.ui b/examples/application8/window.ui
index 0513fe9842..36a8ca4ced 100644
--- a/examples/application8/window.ui
+++ b/examples/application8/window.ui
@@ -23,6 +23,9 @@
               <object class="GtkToggleButton" id="search">
                 <property name="visible">True</property>
                 <property name="sensitive">False</property>
+                <style>
+                  <class name="image-button"/>
+                </style>
                 <child>
                   <object class="GtkImage" id="search-icon">
                     <property name="visible">True</property>
diff --git a/examples/application9/window.ui b/examples/application9/window.ui
index 1735f0c0f9..d3f54d1780 100644
--- a/examples/application9/window.ui
+++ b/examples/application9/window.ui
@@ -40,6 +40,9 @@
               <object class="GtkToggleButton" id="search">
                 <property name="visible">True</property>
                 <property name="sensitive">False</property>
+                <style>
+                  <class name="image-button"/>
+                </style>
                 <child>
                   <object class="GtkImage" id="search-icon">
                     <property name="visible">True</property>