Corrected code. still no luck. the curriculum is stelling me this code is wrong and will not allow me to complete challenge. so frustrated

Tell us what’s happening:

Your code so far


.balls {
  border-radius: 50%;
  background: linear-gradient(
  position: fixed;
  width: 50px;
  height: 50px;
  margin-top: 50px;
  animation-name: bounce;
  animation-duration: 2s;
  animation-iteration-count: infinite;
#ball1 {
  animation-timing-function: linear;

#ball2 {
  animation-timing-function: ease-out;


@keyframes bounce {
  0% {
    top: 0px;
  100% {
    top: 249px;


<div class="balls" id="ball1"></div>
<div class="balls" id="ball2"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362.

Challenge: Change Animation Timing with Keywords

Link to the challenge:

Your code looks and runs OK to me.

Try changing your browser – using Chrome? try Firefox; using Firefox already? try Chrome.
Might be a browser extension causing the problem.

I have had the same problem. Thanks you.