CSS body { margin: 0; padding: 50px; background-color: #FFFFFF; color: #000000; font-family: Arial, Helvetica, sans-serif; } ... ... <看更多>

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Maybe you haven't set the cell highs, this is a Codepen example. While the cells are empty you must set the cell height. ... <看更多>

If table has two or more th or td elements with rowspan set to 2 or higher - border between these elements is not visible disregarding CSS ... ... <看更多>