Below is quote from your other thread on the same question:
"Such issue is not reproducible at our end. Usual causes of messed styles are listed in the The styles of the web report viewer's toolbar are messed up KB article. Other reasons are external styles or the usage of styling approaches not supperted by the ASP.NET ReportViewer control.
Please let us continue the discussion in the other thread, where you can send us a demo illustrating the problem.
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