The empty-cells property determines if cells with no content should be displayed or not. This has no effect unless border-collapse is set to separate.

Below an example with two tables with different values set to the empty-cells property:

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The table on the left has empty-cells: show while the one on the right has empty-cells: hide. The former does display the empty cells whereas the latter does not.

More Information:

• https://www.w3.org/TR/CSS21/tables.html#empty-cells (opens new window)
• https://developer.mozilla.org/en-US/docs/Web/CSS/empty-cells (opens new window)
• http://codepen.io/SitePoint/pen/yfhtq (opens new window)
• https://css-tricks.com/almanac/properties/e/empty-cells/ (opens new window)