Update animate-images-with-keyframes-using-css.mdx

Author: asiqurrahman

projects/animate-images-with-keyframes-using-css/animate-images-with-keyframes-using-css.mdx

@@ -79,7 +79,7 @@ CSS animations have "steps" in them (also known as keyframes) to signify each mo
 For example, 
 
 ```html
-<div class="box"></div>
+<div className="box"></div>
 ```
 ```css
 @keyframes colorChange {
@@ -147,7 +147,7 @@ Think of the last time you saw a spinning loader:
 This can be recreated with a spin animation like so: 
 
 ```html
-<div class="sensei">
+<div className="sensei">
   <img src="sensei.png" alt="club penguin gray sensei penguin" />
 </div>
 ```
@@ -189,7 +189,7 @@ Imagine you're playing a video game and you're choosing which character to play
 This is a hovering animation that we can create with keyframes! 
 
 ```html
-<div class="sensei">
+<div className="sensei">
   <img src="sensei.png" alt="club penguin gray sensei penguin" />
 </div>
 ```