css design appears to show cards code example

Example: cards design html css

<div class="card">
  <img src="img_avatar.png" alt="Avatar" style="width:100%">
  <div class="container">
    <h4><b>sam</b></h4>
    <p>https://codewithsam-53039.web.app/</p>
  </div>
</div>