Background url link

Tell us what’s happening:
Describe your issue in detail here.
I did follow what video solution but the persist that my input code is wrong.

body { background : ur;(""); }
  **Your code so far**

body {
background : url("")no-repeat fixed center;
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.82 Safari/537.36

Challenge: Create Texture by Adding a Subtle Pattern as a Background Image

Link to the challenge: