Michael Hulse wrote:
>On Dec 1, 2005, at 3:41 AM, Kevin Cannon wrote:
>
>
>> <div id="tabs" class="ski">...</div>
>>
>> #tabs.ski {
>> background-color: green;
>> }
>>
>>
>
>Excuse my noobieneess...
>
>Why not:
>
><div id="tabs" class="ski">...</div>
>
>/* Make .ski green: */
>#tabs .ski {
> background-color: green;
>}
>
>
This selects an element with the class of ski *inside* an element with
the id of #tabs. This is because the space between the two parts of the
selector makes it a descendant selector. It does not select an element
with both the class and the id on it. The syntax from the original
poster is correct to select something with both set on it.
I can't stress enough that everyone should read this article.
http://css.maxdesign.com.au/selectutorial/
Not understanding desendant selectors is a very common problem but an
essential one to eradicate if you want to work with CSS.
>/* Make .ski red: */
>#tabsTwo .ski {
> background-color: red;
>}
>
>
This would only make ski red if it was inside #tabsTwo.
>/* Or, make #tabs and .ski green: */
>#tabs, .ski {
> background-color: green;
>}
>
>
This would work.
>/* Or, even: */
>#tabs, #tabs .ski {
> background-color: green;
>}
>
>
This would work, but only because of the first part of the selector.
The second part selects nothing in the HTML snippet provided.
Zoe
--
Zoe M. Gillenwater
Design Services Manager
UNC Highway Safety Research Center
http://www.hsrc.unc.edu
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