Could you please use the Help that appears after three unsuccessful attempts at any step in Responsive Web Design?
This will allow us to see what the issue may be for you, and guide you to the solution.
background: repeating-linear-gradient(
90deg,
var(–building-color4),
var(–building-color4) 10%,
var(–window-color4) 10%,
var(–window-color4) 90%
)}
here is my codebut i don`t know whatswrong
If this is the second one, there should not be any direction but it is showing the same as the first one with the 90deg direction. If that is removed, the code should pass for you, I believe.