Grid vertical scrollbar in the right make the data columns and the header columns not in a line

grid vertical scrollbar in the right make the data columns and the header columns not in a line.

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most probably some additional custom css on your page causing that problem. Please check the

table-layout: fixed;

for the tr elements on your page.
Most probably bootstrap css redefined that globally

if the horizntl-scrollbar to the right, the vertical scrollbar make the headers and columns has a bar-width gap.

here is the css i wanted.

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The solution is still the same. Please, check your custom or some third-side css applied on your page.
If the problem still occurs for you please, provide a complete demo, where the problem can be reconstructed locally.