@keyframes not working properly. Maybe something is wrong with the question

Tell us what’s happening:

Test is failing for keyframe 50% background color: green.
I don’t see what I’m doing wrong.

Your code so far

  div {
    height: 40px;
    width: 70%;
    background: black;
    margin: 50px auto;
    border-radius: 5px;

  #rect {
    animation-name: rainbow;
    animation-duration: 4s;    
  @keyframes rainbow {
    0% {
      background-color: blue;
    50% {
      background-color: green ;
    100% {
      background-color: yellow;
<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/67.0.3396.99 Safari/537.36.

Link to the challenge:

That big bad space before the semicolon could be the source of your problems^^

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You see that space…after green…THAT

Thx man. I wish this thing had a code linter

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