gecko-dev/mobile/android/base/resources/values-large-land-v11/styles.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/. -->

<resources>

    <style name="TabsList" parent="TabsListBase">
         <item name="android:orientation">vertical</item>
    </style>

    <style name="Widget.BookmarkFolderView" parent="Widget.TwoLinePageRow.Title">
        <item name="android:paddingLeft">60dip</item>
        <item name="android:drawablePadding">10dip</item>
        <item name="android:drawableLeft">@drawable/bookmark_folder</item>
    </style>

    <style name="Widget.BookmarkItemView" parent="Widget.TwoLinePageRow">
        <item name="android:paddingLeft">50dp</item>
        <item name="android:paddingRight">50dp</item>
    </style>

    <style name="Widget.BookmarksListView" parent="Widget.HomeListView">
        <item name="android:paddingTop">30dp</item>
        <item name="android:paddingLeft">120dp</item>
        <item name="android:paddingRight">120dp</item>
        <item name="android:scrollbarStyle">outsideOverlay</item>
        <item name="topDivider">true</item>
    </style>

    <style name="Widget.TopSitesGridView" parent="Widget.GridView">
        <item name="android:paddingLeft">55dp</item>
        <item name="android:paddingRight">55dp</item>
        <item name="android:paddingBottom">30dp</item>
        <item name="android:horizontalSpacing">20dp</item>
        <item name="android:verticalSpacing">20dp</item>
    </style>

    <style name="Widget.Home.HistoryListView">
        <item name="android:paddingLeft">50dp</item>
        <item name="android:paddingRight">100dp</item>
        <item name="android:paddingTop">30dp</item>
        <item name="android:scrollbarStyle">outsideOverlay</item>
        <item name="topDivider">true</item>
    </style>

    <style name="Widget.Home.HistoryTabWidget">
        <item name="android:showDividers">beginning|middle|end</item>
        <item name="android:dividerPadding">0dp</item>
        <item name="android:paddingLeft">100dp</item>
        <item name="android:paddingTop">30dp</item>
    </style>

</resources>