相关疑难解决方法(0)

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" />
<div class="col-md-3">
  <div class="card bg-dark text-white">
    <img class="card-img" src="http://via.placeholder.com/300x340" alt="Card image">
    <div class="card-img-overlay">
      <h5 class="card-title">Title</h5>
      <h3 class="card-text font-weight-bold"><span class="mr-auto">Some other title here</span></h3>
      <div class="align-self-end">Text I want at bottom</div>
    </div>
  </div>
</div>