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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:background="@android:color/transparent"
              android:gravity="center_vertical"
              android:layout_width="match_parent"
              android:layout_height="@dimen/remote_tab_child_row_height"
              android:orientation="vertical"
              android:paddingLeft="4dp"
              android:paddingRight="4dp">

    <TextView android:id="@+id/tab"
              style="@style/TabRowTextAppearance"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:textSize="18sp" />

    <TextView android:id="@+id/url"
              style="@style/TabRowTextAppearance.Url"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:maxLength="1024"
              android:textSize="14sp" />

</LinearLayout>