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Quick Start: Lightning Components - Improve the UI with CSS

The last step of Lightning Components quick start is failing to validate the background image.

I get this error:

"Step not yet complete... here's what's wrong: 
The CSS does not contain a reference to the background image 
Note: you may run into errors if you've skipped previous steps."

My css does indeed have a reference to the background image and I did not skip any previous steps.

Hi Fred,

You may be applying CSS to the 'App' not to the 'Component'. As both will preview the same but challenge will be completed, after applying CSS to 'Component'.

Let me know, if you have any other issue.

Sami Diab 6Sami Diab 6
Thanks @Neetu_Bansal, that's itttt !! :D
I had same issue this evening - but now my dev console (in my TP) won't load  . . . it hangs and says "loading....".  How can I get back to all previous work done in Dev console?