Ok, found the workaround here: http://stackoverflow.com/questions/11293026/default-background-color-of-svg-root-element
stick a <rect> element with width and height of 100% and fill="red" as the first child of the <svg> element
Ok, found the workaround here: stackoverflow. com/questions/ 11293026/ default- background- color-of- svg-root- element
http://
stick a <rect> element with width and height of 100% and fill="red" as the first child of the <svg> element