|1st col. & row||2nd col. thead||3rd col.||4th col.||5th col.|
Related testcases from CSS 2.1 test suite:
The vertical distance between the cells in nth row and the cells in n+1th row (or the cells in n-1th row) should be the same regardless of the selected value in the <select>.
Border-spacing should be unique around cells, should apply only once. Border-spacing should apply to table elements, and not to table-row-groups. The vertical border-spacing between 2 cells of 2 table-row-groups should merge together.