shifting the input section of facebook after login.
The following image.
incarnation : www.siemensnx.com (After logging in to facebook.)
This could be temporary caused by facebook.
see also http://www.question2answer.org/qa/15546/facebook-changed-height-login-button-template-design-breaks and other problems with facebook login button: http://www.question2answer.org/qa/tag/facebook
By the way just now I decided to remove the facebook login from my mathematics forum, as it is causing regular problems...
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