border-collapse | NN 6 IE 5(Win) CSS 2
| Inherited: Yes
Sets whether borders of adjacent table elements (cells, row groups, column groups) are rendered separately or collapsed (merged) to ignore any padding or margins between adjacent borders. A table set to the separate border model may also have its border-spacing and empty-cells style attributes set (if supported by the target browsers).
CSS Syntax
    border-collapse: collapse | separate
Value
Constant values: collapse | separate.
Initial Value
separate
Applies To
The table element.