When on iPhone / iPad iOS , the bg image fills the viewport ok but when scrolling down through the content, the image stretches to fill what looks to be the empty space left by moving the address bar off screen. When scrolling back to the top, again the image reduces to take into account the address bar.
When on iPhone / iPad iOS , the bg image fills the viewport ok but when scrolling down through the content, the image stretches to fill what looks to be the empty space left by moving the address bar off screen. When scrolling back to the top, again the image reduces to take into account the address bar.