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


#1

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


#2

Hi @thebeardedarab. Im preety sure your suppose to do

.div{
Then your codes

}

instead of just div.

Like your code:

div{
Then your codes
}

#3

isn't the . used only for class?


#4

did you check if it works?