Learn CSS Variables by Building a City Skyline - Step 78

Tell us what’s happening:

Your code so far

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The challenge seed code and/or your solution exceeded the maximum length we can port over from the challenge.

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Please copy/paste all the editor code showing in the challenge from where you just linked.

.fb1c {
  width: 100%;
  height: 80%;
  background: 
  repeating-linear-gradient(
      var(--building-color4) 0%,
      var(--building-color4) 10%,
      var(--window-color4) 10%,
      var(--window-color4) 90%,
    ),
  repeating-linear-gradient(
      90deg,
      var(--building-color4),
      var(--building-color4) 10%,
      transparent 10%,
      transparent 15%
  )
    ;
}

And this is the Error Hint:

Hint
You should add a repeating-linear-gradient with a first color of --building-color4 from 0% to 10%.

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36

Challenge: Learn CSS Variables by Building a City Skyline - Step 78

Link to the challenge:

why do you have the color transparent here?
the instructions say:

use your --building-color4 from 0% to 10% and --window-color4 from 10% and 90%

remember to follow the instructions, when adding another element and that it is only asking you for the colors, do not add more than that.
the instructions say:
Add a repeating-linear-gradient to .fb1c below the one that’s there; use your --building-color4 from 0% to 10% and --window-color4 from 10% and 90%. This will fill in behind the gradient you added last.