chromium/chrome/browser/resources/print_preview/ui/destination_list.html

<style include="cr-hidden-style throbber">
  :host {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    user-select: none;
  }

  #list {
    min-height: var(--destination-item-height);
  }

  .throbber-container {
    display: flex;
    margin-inline-start:
        calc((var(--search-icon-size) - var(--throbber-size))/2);
    min-height: var(--destination-item-height);
  }

  .throbber {
    align-self: center;
  }

  .no-destinations-message {
    padding-bottom: 8px;
    padding-inline-start: 18px;
    padding-top: 8px;
  }

  :not(.moving).list-item {
    transition: background-color 150ms;
  }

  .list-item:hover,
  .list-item:focus {
    background-color: rgb(228, 236, 247);
  }

  @media (prefers-color-scheme: dark) {
    .list-item:-webkit-any(:hover, :focus) {
      background-color: var(--cr-menu-background-focus-color);
    }
  }

  .list-item:focus {
    outline: none;
  }
</style>
<div class="no-destinations-message" hidden$="[[hasDestinations_]]">
  $i18n{noDestinationsMessage}
</div>
<iron-list id="list" items="[[matchingDestinations_]]" role="grid"
    aria-rowcount$="[[matchingDestinations_.length]]"
    aria-label="$i18n{printDestinationsTitle}" hidden$="[[hideList_]]">
  <template>
    <div role="row" id$="destination_[[index]]"
        aria-rowindex$="[[getAriaRowindex_(index)]]">
      <print-preview-destination-list-item class="list-item"
          search-query="[[searchQuery]]" destination="[[item]]"
          on-click="onDestinationSelected_" on-keydown="onKeydown_"
          role="gridcell" tabindex$="[[tabIndex]]"
          iron-list-tab-index="[[tabIndex]]">
      </print-preview-destination-list-item>
    </div>
  </template>
</iron-list>
<div class="throbber-container" hidden$="[[throbberHidden_]]">
  <div class="throbber"></div>
</div>