Stuck at 9/10 css id selector


I did exactly the instruction.1 says,

but it won't work and get none error message, is it a bug or something wrong?

<p id="footer">&copy; Mystwood Publishers Limited</p>


Did you try a refresh Browser

Always refresh the browser after making corrections:
CTRL f5 ( if on Windows or Linux)
CMD r ( if on a MAC).


i have tried Chrome ,edge even IE for several times, but still doesn't work.


Then give the FULL code you are using

and if you are working from china
In China because of the GFW,many websites won't work correctly.
So you might want to use use VPN to 科学上网


VPN works and this problem is solved. thanks.

and where do you get the world 科学上网??


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