Iframe not fully opening

Posted by Harvey on Sep 12, 2013; 11:27pm
URL: https://support.nabble.com/Iframe-not-fully-opening-tp7586458.html

My iframe, at times, isn't opening all the way to the bottom:



There is a 3 pixel light blue border that goes all the way around the frame and at times it is cut off.

What would cause this?