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Posted by Dung Ping on 10/24/29 11:49
Alan J. Flavell wrote:
> On Sun, 4 Jun 2006, Jukka K. Korpela wrote:
> [...]
> > td:first-child + td + td + td,
> > td:first-child + td + td + td + td,
> > .special {
> > background: #ffc;
> > color: black; }
> >
> > The somewhat complicated contextual selectors work on browsers that
> > conform to the CSS 2 specification, and they select <td> cells in
> > the 4th and 5th column.
>
> Right. In an earlier example of mine, the first cell of each row was
> <th>, so I was able to use a selector of th + td + td ... without
> having to rely on support for :first-child, but that was luck.[1]
>
> And I was leaving IE to do whatever it did. Which wasn't much.
>
> > The attribute selector .special, together with the <col> markup,
> > handles IE 6.
>
> That's pragmatic. Well spotted.
>
> > The practical side of the matter is that IE 6 uses the background
> > for the column.
>
> Yes. Although, a common requirement seems to call for alternating b.g
> colours in the rows as well as in the columns, and then the idea
> unfortunately falls down.
>
> > (Naturally this postulates that the <td> cells themselves have the
> > default background, transparent.)
>
> Indeed. As also the rows (tr). It's the background color of the cols
> that is shining through - /not/ the class name of the cols that is
> somehow percolating down to the cells.
>
> best regards
>
> [1] But then again, if you have (say) a 4-column table, then
> td+td+td+td will match the fourth column, without needing to be
> anchored. td+td+td could match the third column and the fourth, but
> surely the td+td+td+td is more specific and will win? Further, td+td
> could match any except the first column, but the more-specific styles
> for columns 3 and 4 will win. And so on. At least it seems to do
> what I intended for
> http://ppewww.ph.gla.ac.uk/~flavell/tests/poules2.html , whose
> stylesheet http://ppewww.ph.gla.ac.uk/~flavell/tests/poules-style2.css
> was based on that assumption, without being anchored with an initial
> th nor with your :first-child condition.
Thanks a million to everyone for your help.
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