chromium/chrome/browser/resources/history/history_embeddings_promo.html

<style include="cr-hidden-style">
  :host {
    display: block;
    box-sizing: border-box;
  }

  #promo {
    display: flex;
    align-items: center;
    background: var(--cr-card-background-color);
    border-radius: 8px;
    box-shadow: var(--cr-card-shadow);
    box-sizing: border-box;
    margin-block-start: 16px;
    margin-block-end: 8px;
    padding: 32px 48px 32px 27px;
    gap: 18px;
    position: relative;
    width: 100%;
  }

  #close {
    --cr-icon-button-margin-end: 0;
    position: absolute;
    inset-block-start: 12px;
    inset-inline-end: 12px;
  }

  #illustration {
    flex-shrink: 0;
    width: 250px;
    height: 121px;
    background: url(images/history_embeddings_promo.svg)
        no-repeat center center;
  }

  @media (prefers-color-scheme: dark) {
    #illustration {
      background-image: url(images/history_embeddings_promo_dark.svg);
    }
  }

  #text {
    max-width: 573px;
  }

  #title {
    margin-block-start: 0;
    margin-block-end: 8px;
    color: var(--cr-primary-text-color);
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
  }

  #description {
    color: var(--cr-secondary-text-color);
    font-size: 13px;
    font-style: normal;
    font-weight: 400;
    line-height: 20px;
  }

  #description-first-block {
    margin-block-end: 1em;
  }

  a {
    color: var(--cr-link-color);
    display: inline-block;
  }
</style>

<div id="promo" role="dialog" aria-label="$i18n{historyEmbeddingsPromoLabel}"
    hidden$="[[!shown_]]">
  <cr-icon-button id="close" iron-icon="cr:close"
      aria-label="$i18n{historyEmbeddingsPromoClose}"
      on-click="onCloseClick_">
  </cr-icon-button>

  <div id="illustration" aria-hidden="true"></div>
  <div id="text">
    <h2 id="title">$i18n{historyEmbeddingsPromoHeading}</h2>
    <div id="description">
      <div id="description-first-block">$i18n{historyEmbeddingsPromoBody}</div>
      <div>
        $i18n{historyEmbeddingsDisclaimer}
        <a href="$i18n{historyEmbeddingsSettingsUrl}" target="_blank">
          $i18n{historyEmbeddingsPromoSettingsLinkText}
        </a>
      </div>
    </div>
  </div>
</div>