chromium/ui/file_manager/file_manager/foreground/js/ui/banners/drive_welcome_banner.html

<style>
  educational-banner {
    --feature-icon-src: url(/foreground/images/files/ui/drive_logo.svg);
  }
</style>
<educational-banner>
  <span slot="title">$i18n{DRIVE_WELCOME_TITLE}</span>
  <span slot="subtitle">$i18n{DRIVE_WELCOME_TEXT_SHORT_FILESNG}</span>
  <cr-button slot="extra-button" href="$i18n{GOOGLE_DRIVE_OVERVIEW_URL}" id="drive-learn-more-button">
    $i18n{DRIVE_LEARN_MORE}
  </cr-button>
</educational-banner>