JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
  <div class="container">
    <div class="inner-container">
      <div>
        <p>Client Here</p>
      </div>
      <h2>Title Here</h2>
      <div>Subtitle Here</div>
      <p>Sint praesentium et deleniti quod dolore dignissimos impedit. Ut autem tempore quidem debitis necessitatibus alias culpa. Delectus sunt pariatur eum aut aperiam quia et quibusdam. Nemo exercitationem iusto consequatur.</p>
      <p class="post-tag">Post Tag</p>
    </div>
  </div>

  <div class="container">
    <div class="inner-container">
      <div>
        <p>Client Here</p>
      </div>
      <h2>Title Here</h2>
      <div>Subtitle Here</div>
      <p>yadayada</p>
      <p class="post-tag">Post Tag</p>
    </div>
  </div>

  <div class="container">
    <div class="inner-container">
      <div>
        <p>Client Here</p>
      </div>
      <h2>Title Here</h2>
      <div>Subtitle Here</div>
      <p>Sint praesentium et deleniti quod dolore dignissimos impedit. Ut autem tempore quidem debitis necessitatibus alias culpa. Delectus sunt pariatur eum aut aperiam quia et quibusdam. Nemo exercitationem iusto consequatur.</p>
      <p class="post-tag">Post Tag</p>
    </div>
  </div>
</div>

CSS

.inner-container {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: repeat(4, auto);
  padding: 10px;
}

.post-tag {
  grid-column: 2;
  grid-row: 1 / -1;
  align-self: center;
  font-style: italic;
}

.parent {
  display: flex;
  flex-direction: column;
}

.container {
  display: flex;
  flex-direction: column;
  border-bottom: solid 1.5px #4b0fff;
  flex: 1;
}