[selectors4] Styling table column child elements

Le 18/03/2013 19:59, Henrik Andersson a écrit :
> I have noticed that CSS doesn't offer a clear way of styling the
> elements in a specific table column.
>
> With that I mean the children of the table cells.
>
> You can style the <col> elements to a minimal extent and thusly affect
> the table cells. But it is limited to four properties and doesn't work
> for children of the cells.
>
> You could in theory use the :nth-of (and friends) selectors to do this,
> but there are two issues.
>
> The first one being the use of numerical indexes. They are bothersome to
> figure out and are not semantically clear like identifiers. They also
> risk becoming wrong when the column list is changed.
>
> The second issue is that they wouldn't work correctly with tables that
> use colspans. The assumption of one element=one column would fall apart
> there.
>
> The traditional workaround is to adjust the markup to have each and
> every cell in the column have a specific class. Suffice to say, but that
> is incredibly tedious, error prone and increases the size of the markup.
>
> Instead I think that CSS needs a new selector to deal with this
> situation. It is a rather specific case, but I see no better solution.

Hi,

Selectors Level 4 has some ideas about this. AFAIK it’s still open to 
discussion:

http://dev.w3.org/csswg/selectors4/#table-pseudos

Please reply here for feedback on this.

-- 
Simon Sapin