在html或css中倾斜的对角线？

我想做一个像这样的表

是否可以在表格中添加倾斜的对角线边框？

基于CSS3线性渐变解决方案,除了角度不是硬编码:

table:nth-of-type(1) td {
  background-image: linear-gradient(
    to top right,
    white 48%,
    black,
    white 52%
  );
}
table:nth-of-type(2) td {
  background-image: linear-gradient(
    to top right,
    papayawhip calc(50% - 1px),
    black,
    papayawhip calc(50% + 1px)
  );
}
/* for testing */
table {
  border-collapse: collapse;
  margin-top: 1em;
  margin-bottom: 1em;
}
td:nth-child(odd) {
  width: 10em;
}
td:nth-child(even) {
  width: 20em;
}

  

    

      
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