Create Texture by Adding a Subtle Pattern as a Background Image -what is the problem,and how to do it

Tell us what’s happening:

Your code so far

  body {background:url(;

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:

needs a string perhaps?

thanks for your concerrn bro ,but plse tell me what is the problem

Take a look at the syntax in here

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Sorry for not being clear, but that is the problem. url needs a string, and you didn’t give it a string.

Recall that string [literals] are surrounded by either " " or ’ ’ .

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