chromium/chrome/browser/tab_ui/android/java/res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>

<!--
Copyright 2024 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<resources>
  <style name="TabThumbnailPlaceholderStyle">
    <item name="colorTileBase">?attr/colorSurface</item>
    <item name="elevationTileBase">@dimen/default_elevation_1</item>
  </style>

  <style name="TabThumbnailPlaceholderStyle.Selected">
    <item name="colorTileBase">?attr/colorOnPrimary</item>
    <item name="elevationTileBase">@dimen/default_elevation_0</item>
  </style>
</resources>