It’s a theme issue. And do not edit the Twenty Eleven theme. It is the default WordPress theme and having access to an unedited version of the theme is vital when dealing with a range of site issues. First create a child theme for your changes.
Thread Starter
koiti
(@koiti)
thank you for the hint! i didnt know this.
i have now uploaded a new version of twentyleven and with this it works.
and now i also found the problem. it was at the p {} css code
thank you a lote!