chromium/chrome/browser/resources/new_tab_page/modules/v2/modules.html

<style include="cr-hidden-style">
  #container {
    display: flex;
    flex-flow: row wrap;
    gap: var(--container-gap);
    justify-content: center;
    margin-top: 8px;
    max-width: var(--container-max-width, inherit);
  }

  #undoToastMessage {
    flex-grow: 1;
  }
</style>
<div id="container">
</div>
<template>
  <ntp-module-wrapper module="[[item]]"
      hidden="[[moduleDisabled_(disabledModules_, item)]]"
      on-disable-module="onDisableModule_"
      on-dismiss-module-element="onDismissModuleElement_"
      on-dismiss-module-instance="onDismissModuleInstance_">
  </ntp-module-wrapper>
</template>
<cr-toast id="undoToast" duration="10000">
  <div id="undoToastMessage">[[undoData_.message]]</div>
  <template is="dom-if" if="[[undoData_.undo]]">
    <cr-button id="undoButton"
        aria-label="$i18n{undoDescription}"
        on-click="onUndoButtonClick_">
      $i18n{undo}
    </cr-button>
  </template>
</cr-toast>