Indeed, the styles of the placeholder are not applied correctly in the latest version of the RadControls for ASP.NET AJAX. This is a bug in the control and it will be brought to the attention of our developers, although I cannot provide a firm estimate when it will be fixed. I have logged this issue
so you can follow its status, vote for it and comment it.
For the time being you can resolve the problem by adding the following CSS on your page:
I have updated your Telerik points accordingly as a token of gratitude for reporting this problem.
All the best,
the Telerik team
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