在相邻的flexbox容器中垂直对齐内容

Question

我有多个项目说卡。这些卡需要水平堆叠，高度需要相同。这发生在我身上。

每张卡片都有图像，文字和按钮。每张卡的图像和文字应该采用任何卡中的最大高度，以便这些卡正确对齐。这种情况不会发生在我身上。

如果图像和文本正确对齐，则按钮将始终在底部的每张卡中对齐。

我一直关注this tutorial，但我有多张牌，只有三张牌。第三张卡片图像高度也是通过CSS设置的。

.partner-cards * {
  box-sizing: border-box;
}

.partner-cards {
  display: flex;
  flex-wrap: wrap;
}

.partner-card {
  display: flex;
  flex: 1 0 20%;
  border-radius: 0;
  text-align: center;
  border: 3px solid blue;
  padding: 5px;/*3rem;*/
  margin-bottom: 3rem;
  max-width: 20%;
  margin: 5px;
}

.partner-card-content {
  display: flex;
  flex-direction: column;
}
/*
.card-content .image-container img {
  
  margin: 0;
  padding: 0;
}
*/
.partner-card-content .partner-image-container {
  border: 1px solid green;
  padding: 0;
  margin: 0;
  min-height: 11rem;
                display: flex;
                vertical-align: middle;
                align-items: center;
                justify-content: center;
                max-width: 100%;
}

.partner-card-content p /*, .card-content .image-container*/
{
  flex: 1 0 auto;
  border: 1px solid red;
}

.partner-card-content img.third-image {
  height: 5.5rem !important;
}
/*
p {
  font-size: 16px;
line-height: 26px;
font-family: Averta-Regular,Arial,Helvetica,sans-serif;
margin-bottom: 2.5rem;
margin-top: 0;
}*/

<div class="partner-cards">

  <div class="partner-card">
    <div class="partner-card-content">
      <div class="partner-image-container">
        <img src="https://via.placeholder.com/100x40" alt="">
      </div>
      <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s.</p>
      <a class="primary-button" href="#">View XXX XXX XXX Offer</a>
    </div>
  </div>

  <div class="partner-card">
    <div class="partner-card-content">
      <div class="partner-image-container">
        <img src="https://via.placeholder.com/50x150" alt="">
      </div>
      <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been
        the industry's standard dummy text ever since the 1500s.</p>
      <a class="primary-button" href="#">View YYY Offer</a>
    </div>
  </div>

  <div class="partner-card">
    <div class="partner-card-content">
      <div class="partner-image-container">
        <img src="https://via.placeholder.com/120x100" class="third-image" alt="">
      </div>
      <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been
        the industry's standard dummy text ever since the 1500s. Lorem Ipsum is simply dummy text of the printing and typesetting industry. </p>
      <a class="primary-button" href="#">View ZZZ Offer</a>
    </div>
  </div>
  
  <div class="partner-card">
    <div class="partner-card-content">
      <div class="partner-image-container">
        <img src="https://via.placeholder.com/50x100" alt="">
      </div>
      <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been
        the industry's standard dummy text ever since the 1500s. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s</p>
      <a class="primary-button" href="#">View ABC Offer</a>
    </div>
  </div>
</div>

它应该如何显示：

代码笔上的教程图像，正确对齐h2，文本和链接：