How to rorate HTML table header vertically

  Kiến thức lập trình

I have table with many headers and due to this page looks horizontally scrolling and below is screenshot:

Can see page became horizontally scroll and I don’t want it and I want headers to be rotate verically on left side of the page.

I have applied some css class like:

      transform: rotate(45deg);
      transform: rotate(180deg);

I am not expert in CSS thing any help would be appreciated!

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