<!DOCTYPE html> <html> <body style="margin: 0px;"> <svg x="0" y="0" height="300" width="300"> <rect x="0" y="0" width="100" height="100" style="stroke:none; fill: blue"/> <rect x="100" y="100" width="100" height="100" style="stroke:none; fill: blue"/> <rect x="200" y="200" width="100" height="100" style="stroke:none; fill: blue"/> </svg> </body> </html>