Chrome download bar causing view port to shrink and doesn't properly resize to normal when download bar is closed

Hello everyone and thank you in advance for any help you can provide. I have a web page that does a simple file download via a link. In Chrome this causes the download bar to appear on the bottom of the browser. However, when closing the download bar using the X on the right there is just white space left in the place where the download bar was displayed and the web page does not return to it's normal display. Has anyone run into this before, and if so were you able to resolve it? Thanks again everyone.