chromium/ash/webui/firmware_update_ui/resources/firmware_confirmation_dialog.html

<style include="firmware-shared-fonts firmware-shared">
  :host {
    --cr-dialog-width: 416px;
    --disclaimer-icon-size: 16px;
  }

  #proceedText {
    white-space: pre-line;
  }

  #disclaimer {
    align-items: center;
    display: flex;
    flex-direction: row;
    margin-bottom: 16px;
  }

  #disclaimer-icon {
    align-items: center;
    background: var(--cros-sys-warning_container);
    border-radius: 8px;
    display: flex;
    flex: 0 0 auto;
    height: 24px;
    justify-content: center;
    margin-inline-end: 8px;
    width: 24px;
  }

  #disclaimer-icon iron-icon {
    --iron-icon-fill-color: var(--cros-sys-on_warning_container);
    --iron-icon-height: var(--disclaimer-icon-size);
    --iron-icon-width: var(--disclaimer-icon-size);
  }

  #disclaimer-text {
    color: var(--cros-sys-on_warning_container);
    font: var(--cros-annotation-2-font);
    flex: 1;
  }
</style>
<template is="dom-if" if="[[open]]" restamp>
  <cr-dialog id="confirmationDialog" on-close="closeDialog" show-on-attach>
    <div slot="title" id="updateDialogTitle" class="firmware-dialog-title-font">
      [[computeTitle(update.*)]]
    </div>
    <div slot="body" class="firmware-dialog-body-font">
      <template is="dom-if" if="[[shouldShowDisclaimer]]" restamp>
        <div id="disclaimer">
          <div id="disclaimer-icon" aria-label="[[i18n('confirmationDisclaimerIconAriaLabel')]]">
            <iron-icon icon="firmware-updates:warning" aria-hidden="true"></iron-icon>
          </div>
          <div id="disclaimer-text">[[i18n('confirmationDisclaimer')]]</div>
        </div>
      </template>
      <div id="updateDialogBody">
        [[i18n('updatingInfo')]]
      </div>
      <div id="proceedText">
        [[i18n('proceedConfirmationText')]]
      </div>
    </div>
    <div slot="button-container">
      <cr-button class="cancel-button"
          on-click="closeDialog"
          id="cancelButton">
        [[i18n('cancelButton')]]
      </cr-button>
      <cr-button class="action-button"
          on-click="openUpdateDialog"
          id="nextButton">
        [[i18n('nextButton')]]
      </cr-button>
    </div>
  </cr-dialog>
</template>