Create Texture by Adding a Subtle Pattern as a Background Image not working

Tell us what’s happening:

This the code but its not working

Your code so far

  body {

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0.

Link to the challenge:

You misspelled background and have to use the url() function to get it to work.