Tell us what’s happening:
Your code so far
background-color: hsl(120, 100%, 50%);
background-color: hsl(180, 100%, 50%);
background-color: hsl(240, 100%, 50%);
Your browser information:
User Agent is:
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0.
Link to the challenge:
I copied your code exactly as you gave it and it worked for me. Which browser do you use? Can you consider trying Chrome?
I was having the same issue while using Firefox. Switched to Chrome and it worked beautifully.