gnome-control-center/panels/universal-access/cc-cursor-size-dialog.ui

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <!-- interface-requires gtk+ 3.0 -->
  <template class="CcCursorSizeDialog" parent="GtkDialog">
    <property name="title" translatable="yes">Cursor Size</property>
    <property name="resizable">False</property>
    <property name="modal">True</property>
    <child>
      <object class="GtkBox">
        <property name="margin_start">12</property>
        <property name="margin_end">12</property>
        <property name="margin_top">12</property>
        <property name="margin_bottom">12</property>
        <property name="orientation">vertical</property>
        <child>
          <object class="GtkGrid" id="size_grid">
            <property name="hexpand">True</property>
            <property name="halign">center</property>
            <style>
              <class name="linked"/>
            </style>
          </object>
        </child>
      </object>
    </child>
  </template>
</interface>