The <svg> element has dimensions 600x400, its content has dimensions 500x500.
viewBox=""
preserveAspectRatio=""
preserveAspectRatio=" defer *rubbish* none xMinYMin xMidYMin xMaxYMin xMinYMid xMidYMid xMaxYMid xMinYMax xMidYMax xMaxYMax *rubbish* meet slice *rubbish* " <-- applied onchange