Fixed a little bug where the post chart button would toggle on and off after clicking previous results more than once.
Modified the custom background to draw a different sized background based on whether the screen is mobile width or not.
Added logic to post the hidden canvas if the window width is less than 768
Fixed minor logic error in the window size calculation
Added a mobile variable to check the window size on load and on resize
Added logic to draw the hidden canvas if the size is mobile
Added a hidden canvas element that is always 500x500