iceraven-browser/app/src/main/res/drawable/home_background_gradient.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/. -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape>
            <gradient
                    android:angle="270"
                    android:startColor="?foundation"
                    android:endColor="?above"
                    android:type="linear" />
        </shape>
    </item>
</selector>