iceraven-browser/app/src/main/res/layout/collection_header.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/. -->
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/collections_header_text"
    android:layout_width="wrap_content"
    android:layout_height="48dp"
    android:gravity="center_vertical"
    android:text="@string/collections_header"
    android:textAppearance="@style/HeaderTextStyle" />