Add Borders Around your Elements / having trouble

Tell us what’s happening:
Can someone please give me a hand with this. I have tried everything and I just can not get it to work right.

Your code so far

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
color: red;
}

h2 {
font-family: Lobster, Monospace;
}

p {
font-size: 16px;
font-family: Monospace;
}

.smaller-image {
width: 100px;
}

.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;

}
</style>

<h2 class="red-text">CatPhotoApp</h2>

<img class="smaller-image" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back. ">

<p class="red-text">Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p>
<p class="red-text">Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</p>

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:54.0) Gecko/20100101 Firefox/54.0.

Link to the challenge:
https://www.freecodecamp.org/challenges/add-borders-around-your-elements

You’re half way there. Just add the .thick-green-border class to your image. The class attribute can take multiple classes.