Since begin of the week all the pop-up pages ( including the login dialog ) are full width. ( I've deleted my browser history ) Checking css via the element inspector of Chrome there is now always element.style on top. Where comes this element.style from?
Jan de Lange
Should something in CSS, deleted my theme and restore a backup. For my it is solved. How it happend? I don't know. I didn't modify nothing in the css since the backup.