gecko/mobile/android/base/resources/layout-xlarge-v11/tabs_row.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<Gecko.TabRow xmlns:android="http://schemas.android.com/apk/res/android"
              android:focusable="true"
              android:id="@+id/info"
              android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:padding="6dip"
              android:gravity="center">

    <RelativeLayout android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="6dip"
                    android:padding="4dip"
                    android:background="@drawable/tab_thumbnail"
                    android:duplicateParentState="true">

        <Gecko.ThumbnailView android:id="@+id/thumbnail"
                             android:layout_width="@dimen/tab_thumbnail_width"
                             android:layout_height="@dimen/tab_thumbnail_height"
                             android:src="@drawable/tab_thumbnail_default"/>

        <TextView android:id="@+id/title"
                  android:layout_width="@dimen/tab_thumbnail_width"
                  android:layout_height="wrap_content"
                  android:layout_alignParentBottom="true"
                  android:padding="4dip"
                  style="@style/TabRowTextAppearance"
                  android:background="#B3FFFFFF"
                  android:textSize="12sp"
                  android:textColor="#FF222222"
                  android:singleLine="true"
                  android:duplicateParentState="true"/>

    </RelativeLayout>

</Gecko.TabRow>