current/support/design/res/values/themes.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 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>

    <style name="Theme.Design.BottomSheetDialog" parent="Theme.AppCompat.Dialog">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowAnimationStyle">@style/Animation.Design.BottomSheetDialog</item>
        <item name="bottomSheetStyle">@style/Widget.Design.BottomSheet.Modal</item>
    </style>

    <style name="Theme.Design.Light.BottomSheetDialog" parent="Theme.AppCompat.Light.Dialog">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowAnimationStyle">@style/Animation.Design.BottomSheetDialog</item>
        <item name="bottomSheetStyle">@style/Widget.Design.BottomSheet.Modal</item>
    </style>

    <style name="Theme.Design" parent="Theme.AppCompat">
        <item name="textColorError">@color/design_textinput_error_color_dark</item>
    </style>

    <style name="Theme.Design.Light" parent="Theme.AppCompat.Light">
        <item name="textColorError">@color/design_textinput_error_color_light</item>
    </style>

    <style name="Theme.Design.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
    </style>

    <style name="Theme.Design.Light.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
    </style>

</resources>