It's even worse! The buttons are now laying on the line that separates the post from the sigs. It also appears above the text on signatures where there is a lot of text
Peru, which bloody browser are you using? Lemme guess. Chrome, right? Ok, I just checked it in Safari, which runs the same rendering engine as Chrome, and it's like your screenshot. All browsers other than Firefox and Opera should be banned.
ETA: Testing attachments.