Don't sweat the questions as they're good ones.
The warnings about colors there are simply warnings as you already know.
They're simply saying, 'hey, you're only setting {colour/background
colour}. If you
inhereit the {background colour/colour} from an ancestor and it's the
SAME colour,
or simply a hideously contrasting one, things will go snafu.
So it's just a way of getting you to think about your design scheme.
The selectors you mention are different:
div#summary p
#summary p
p#summary
The first is: a p within a div with the id of summary.
The second is: a p within anything with an id of summary.
The last is any p with an id of summary.
Since both p and div are block level, I leave it up to you to think about
why Eric Meyer wouldn't bother with an extraneous div tag.
-Michael
>From: Trish Meyer <[EMAIL PROTECTED]>
>Subject: [css-d] background color warnings
>To: css-d@lists.evolt.org
>Message-ID: <[EMAIL PROTECTED]>
>Content-Type: text/plain; charset="us-ascii" ; format="flowed"
>
>
>I get the following warningsa about "background color":
>
> * Line : 42 (Level : 1) You have no color with your
>background-color : div#utilnav
> * Line : 78 (Level : 1) You have no color with your
>background-color : div#sidebar
> * Line : 92 (Level : 1) You have no background-color
>with your color : #profile
> * Line : 92 (Level : 1) You have no background-color
>with your color : #profile
> * Line : 161 (Level : 1) You have no background-color
>with your color : a:link
> * Line : 165 (Level : 1) You have no background-color
>with your color : a:visited
> * Line : 169 (Level : 1) You have no background-color
>with your color : a:hover
>
>etc etc etc etc...it goes on...
>
>Am I doing something wrong in the CSS that can be easily fixed, or do
>I need to specify the background color explicitly in each style
>mentioned?
>
>The CSS is at http://www.wildscaping.com/stylesheets/ws_stylesheet3.css
>
>---
>Also, is there any difference between
>
> div#summary p
>
> #summary p
>
> p#summary
>
>I noticed Eric Meyer was using the 3rd option (p#summary) in a
>tutorial, and I'd never seen it done this way.
>
>
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