chrome/browser/resources/extensions/install_warnings_dialog.html

    <style include="cr-shared-style">
      div[slot='body'] ul {
        background-color: var(--paper-red-50);
        margin: 0;
        padding-bottom: 10px;
        padding-inline-end: 10px;
        padding-top: 10px;
      }

      @media (prefers-color-scheme: dark) {
        div[slot='body'] ul {
          /* TODO(dbeam): merge with --cr-input-background-color? */
          background-color: rgba(0, 0, 0, .3);
          color: var(--error-color);
        }
      }
    </style>
    <cr-dialog id="dialog" close-text="$i18n{close}">
      <div slot="title">$i18n{installWarnings}</div>
      <div slot="body">
        <ul>
          <template is="dom-repeat" items="[[installWarnings]]">
            <li>[[item]]</li>
          </template>
        </ul>
      </div>
      <div slot="button-container">
        <cr-button class="action-button" on-click="onOkTap_">
          $i18n{ok}
        </cr-button>
      </div>
    </cr-dialog>