In css3. Why is transform: rotate() not working in sololearn

Question

If you should try this code, it won't work, and I have checked it so many times.
div {
width: 200px;
height: 100px;
margin-top: 30px;
background-color: #32CD32;
transform: rotate(10deg);
}

Answer 1

Its working fine on my device.
& Try this
-webkit-transform:rotate(10deg);

Answer 2

https://code.sololearn.com/WU9l08pS389d

It does the job

Answer 3

It works.
https://code.sololearn.com/WxkXH1JowI09/?ref=app

Answer 4

Thanks "SAN", It is working just fine with -webkit-prefix. Thanks all.