Basic CSS - Add Borders Around Your Elements - 36DoI7Jioz7sL9y-bhbQ0

.thick-green-borde {
    border-color: gereen;
    border-width: 10px;
    border-style: solid;
  }
</style>

<h2 class="red-text">CatPhotoApp</h2>
<main>
  <p class="red-text">Click here to view more <a href="#">cat photos</a>.</p>

  <a href="#"><img class="smaller-image thick-green-border" src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>

What is the problem with this part?

a typo in your border-color>