Use the in CSS Transform scale Property to Change the Size of an Element

Tell us what’s happening:
I need help. I don’t know what i did wrong.

Your code so far

  .ball { 
    width: 40px;
    height: 40px;
    margin: 50 auto;
    position: fixed;
    background: linear-gradient(
    border-radius: 50%;
  #ball1 {
    left: 20%;
  #ball2 {
    left: 65%;


<div class="ball" id= "ball1"></div>
<div class="ball" 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/69.0.3497.100 Safari/537.36.

Link to the challenge:

Try using Chrome. It passes for me.