Still working on the Self-Contained SVG app and ran across a Safari display issue. The codepen looks right in all browsers except Safari. Even works in Internet Exploder and Edge. There's an SVG (blue button) nested in the main SVG that should be visible over a base64 image that's inside a foreignObject. Structure is like this:   <svg width="728" height="200" xmlns="http://www.w3.org/2000/svg" version="2" viewBox="0 0 728 200"> <style> <![CDATA[ // styles go h