Report view differs in SilverLight and HTML5

Hi experts,

I was setting up a Dashboard with custom report, but faced an issue. The report looks drasticallydifferent in SilverLight and HTML5.

Here is the set up from SilverLight editing with Web browser:

Here that same report from Analisys -> Reports in HTML5:

And here it is inserted in the dashboard:

I hope anyone could have an idea of what can possible cause that.

Best regards,

Nadezhda Rukavishnikova