Can someone please help?

Tell us what’s happening:
Code seems right?

Your code so far

body {
  background-color: #FFFFFF;

.green {
  background-color: hsl(120, 100%, 50%)

.cyan {
  background-color: hsl(180, 100%, 50%)

.blue {
  background-color: hsl(240, 100%, 50%)

div {
  display: inline-block;
  height: 100px;
  width: 100px;

<div class="green"></div>
<div class="cyan"></div>
<div class="blue"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.0; rv:52.0) Gecko/20100101 Firefox/52.0.

Challenge: Adjust the Hue of a Color

Link to the challenge:

Your code passes for me. Try a hard refresh of your browser, or go in and clear your cache.