How to set a CSS settings only to the td of an external table but not to the internal table?


Tags: html,css,css3,layout,xhtml

Problem :

I am working on a legacy web page that use a table layout (that unfortunately I can't replace with a new pure HTML\CSS layout) and I have the following problem.

I have a situation like this:

<table class="externalTable">
    <tr id="firstRow">
        <td>
            <div>
                <table id="tablistOn">
                    <!-- SOME ROWS ARE SHOWED -->
                </table>
            </div>
        </td>

        <td>SECOND td</td>
        <td>THIRD td</td>
    </tr>
</table>

I need to applied a bottom-border property only to the #firstRow row and I do in this way:

.externalTable #firstRow td, .externalTable #firstRow th {
    border-top: 1px solid red;
    border-bottom: 1px solid red;
}

but doing in this way the problem is that this style is applied also at all the tows inside the internal table rows (the one having id="tablistOn").

I think that I can override it defining a new style for this table but I am asking if I can apply my style only to the external table selecting only the class="externalTable" table but not its inner table id="tablistOn".

How can I do it in some way?

Tnx



Solution :

You're using descendant selectors, which will match all children within an element. What you need are child selectors - > - which will only select direct descendants of an element.

.externalTable #firstRow>td, .externalTable #firstRow>th {
    border-top:1px solid red;
    border-bottom:1px solid red;
}

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