gecko-dev/mobile/android/base/resources/layout/tabs_item_cell.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/. -->

<org.mozilla.gecko.widget.TabRow xmlns:android="http://schemas.android.com/apk/res/android"
                                 style="@style/TabsItem"
                                 android:focusable="true"
                                 android:id="@+id/info"
                                 android:layout_width="match_parent"
                                 android:layout_height="wrap_content"
                                 android:paddingTop="6dip"
                                 android:paddingBottom="6dip"
                                 android:paddingLeft="1dip"
                                 android:paddingRight="1dip"
                                 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">

        <org.mozilla.gecko.widget.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"/>

        <LinearLayout android:layout_width="@dimen/tab_thumbnail_width"
                      android:layout_height="wrap_content"
                      android:orientation="horizontal"
                      android:background="#EFFF"
                      android:layout_below="@id/thumbnail"
                      android:duplicateParentState="true">

            <TextView android:id="@+id/title"
                      android:layout_width="0dip"
                      android:layout_height="wrap_content"
                      android:layout_weight="1.0"
                      android:padding="4dip"
                      style="@style/TabRowTextAppearance"
                      android:textSize="12sp"
                      android:textColor="#FF222222"
                      android:singleLine="true"
                      android:duplicateParentState="true"/>

            <ImageButton android:id="@+id/close"
                         style="@style/TabsItemClose"
                         android:layout_width="32dip"
                         android:layout_height="match_parent"
                         android:background="@drawable/action_bar_button_inverse"
                         android:scaleType="center"
                         android:contentDescription="@string/close_tab"
                         android:src="@drawable/tab_close"/>

        </LinearLayout>

    </RelativeLayout>

</org.mozilla.gecko.widget.TabRow>