The invisible gradient technique: Cross-browser support for SVG (with image fallback) using CSS

The invisible gradient technique: Cross-browser support for SVG (with image fallback) using CSS Vector graphic formats such as SVG are great for high-density displays since their lines are clean at any zoom level. However, not all browser support SVG and there is not an obvious way to provide a fallback (using png, jpg or gif instead) for those browsers not supporting vector graphics. These days I