Ok so its not easy to describe this so I have a link below to a screen shot. As you can see the post text editor flows behind the right sidebar area. I have seen this before but can't remember what causes this.
The user has the browser maximized. Claims it started after she had to use a smaller monitor. But monitor size should not matter as it should be responsive more or less.
Any ideas as to what causes this? has anyone seen it before?
Update: not easy to post links from photobucket. :-)