CSS: An Overview 19.Background color, height, and width


I'm doing exactly as told in the instructions but I keep getting an error message.
Here's a screenshot http://i.imgur.com/1W8pOdo.png


Hi @thebeardedarab. Im preety sure your suppose to do

Then your codes


instead of just div.

Like your code:

Then your codes


isn't the . used only for class?


did you check if it works?