packages/SystemUI/res-keyguard/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2012, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License")
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->

<resources>
    <!-- Keyguard PIN pad styles -->
    <style name="Keyguard.TextView" parent="@android:style/Widget.DeviceDefault.TextView">
        <item name="android:textColor">@*android:color/primary_device_default_light</item>
        <item name="android:textSize">@dimen/kg_status_line_font_size</item>
    </style>
    <style name="Keyguard.TextView.EmergencyButton" parent="@android:style/DeviceDefault.ButtonBar">
        <item name="android:textColor">@*android:color/primary_device_default_light</item>
        <item name="android:textSize">@dimen/kg_status_line_font_size</item>
        <item name="android:background">@null</item>
    </style>
    <style name="Widget.TextView.NumPadKey" parent="@android:style/Widget.TextView">
        <item name="android:singleLine">true</item>
        <item name="android:gravity">center_horizontal|center_vertical</item>
        <item name="android:background">@null</item>
        <item name="android:textSize">36sp</item>
        <item name="android:fontFamily">sans-serif-light</item>
        <item name="android:textColor">#ffffffff</item>
        <item name="android:paddingBottom">-16dp</item>
    </style>
    <style name="Widget.TextView.NumPadKey.Klondike" parent="Widget.TextView.NumPadKey">
        <item name="android:textSize">12sp</item>
        <item name="android:fontFamily">sans-serif</item>
        <item name="android:textColor">#80ffffff</item>
        <item name="android:paddingBottom">0dp</item>
    </style>

    <!-- Built-in clock widget stuff -->
    <style name="widget_label">
        <item name="android:textSize">@dimen/widget_label_font_size</item>
    </style>
    <style name="widget_big_thin">
        <item name="android:textSize">@dimen/widget_big_font_size</item>
        <item name="android:fontFamily">sans-serif-light</item>
    </style>

    <style name="BouncerSecurityContainer">
        <item name="android:layout_gravity">center_horizontal|bottom</item>
    </style>

    <style name="PasswordTheme" parent="@android:style/Theme.DeviceDefault">
        <item name="android:colorControlNormal">#80ffffff</item>
        <item name="android:colorControlActivated">#80ffffff</item>
    </style>

    <style name="keyguard_presentation_theme" parent="@android:style/Theme.Material.NoActionBar.Fullscreen">
    </style>

</resources>