chromium/chrome/browser/resources/ash/settings/os_about_page/eol_offer_section.html

<style>
  :host {
    background-color: var(--cr-card-background-color);
    border-radius: 8px;
    box-shadow: var(--cr-card-shadow);
    display: flex;
    padding: 16px;
  }

  .image-container {
    background-color: var(--cros-illustration-color-1-shade-2);
    border-radius: 50%;
    display: inline-block;
    height: 40px;
    margin-inline-end: 16px;
    width: 40px;
  }

  .inner-image {
    --iron-icon-fill-color: var(--cros-icon-color-prominent);
    padding: 8px;
  }

  .side-content {
    flex: 1;
  }

  .eol-offer-title {
    font-weight: 500;
    margin-bottom: 8px;
  }

  .eol-offer-text {
    margin-bottom: 8px;
  }
</style>
<div class="image-container">
  <iron-icon class="inner-image" icon="os-settings:end-of-life-offer">
  </iron-icon>
</div>
<div class="side-content">
  <div class="eol-offer-title">[[getEolTitleText_(shouldShowOfferText)]]</div>
  <div class="eol-offer-text">[[getEolMessageText_(shouldShowOfferText)]]</div>
  <cr-button id="eolIncentiveButton"
      class="action-button"
      on-click="onIncentiveButtonClick_">
    [[getEolButtonText_(shouldShowOfferText)]]
  </cr-button>
</div>