ant-design/theme/templates/code.html

<div class="code-box-container">
  {{ post.html }}
  <div class="code-box-meta">
    <div class="code-box-title">{{ post.title }}</div>
    <p class="code-box-description">
      {{ post.meta.description }}
    </p>
    <span class="collapse iconfont icon-chevron"></span>
  </div>
</div>