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Column combinator

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The column combinator (||) is placed between two CSS selectors. It matches only those elements matched by the second selector that belong to the column elements matched by the first.

/* Table cells that belong to the "selected" column */
col.selected||td {
  background: gray;
}

Syntax

column-selector||cell-selector {
  /* style properties */
}

Examples

HTML

<table border="1">
  <colgroup>
    <col span="2" />
    <col class="selected" />
  </colgroup>
  <tbody>
    <tr>
      <td>A</td>
      <td>B</td>
      <td>C</td>
    </tr>

    <tr>
      <td colspan="2">D</td>
      <td>E</td>
    </tr>
    <tr>
      <td>F</td>
      <td colspan="2">G</td>
    </tr>
  </tbody>
</table>

CSS

col.selected||td {
  background: gray;
  color: white;
  font-weight: bold;
}

Result

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
Column_combinator No No
NoSee bug 1605558.
No No No No No
NoSee bug 1605558.
No No No

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/Column_combinator