Tell us what’s happening:
**Your code so far**
<style>
div {
height: 40px;
width: 70%;
background: black;
margin: 50px auto;
border-radius: 5px;
}
#rect
#anim {animation-name: rainbow;
animation-duration: 4s;}
@keyframes rainbow {0% {background-color: blue;} 50%{background-color: green;} 100%{background-color: yellow;}
}
</style>
<div id="rect"></div>
**Your browser information:**
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36
.
Challenge: Learn How the CSS @keyframes and animation Properties Work
Link to the challenge: