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

<style include="print-preview-shared">
  :host {
    display: flex;
    padding-inline-start: var(--print-preview-sidebar-margin);
  }

  ::slotted([slot=controls]),
  ::slotted([slot=title]) {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: var(--print-preview-row-height);
    word-break: break-word;
  }

  ::slotted([slot=controls]) {
    flex: 1;
    overflow: hidden;
  }

  ::slotted([slot=title]) {
    color: var(--cr-primary-text-color);
    flex: none;
    font-size: 1em;
    line-height: calc(20/13 * 1em);
    width: var(--print-preview-title-width);
  }
</style>
<slot name="title"></slot>
<slot name="controls"></slot>