<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="800" height="500" version="1.1" xmlns="http://www.w3.org/2000/svg">
    <defs>
        <style type="text/css">
        #canvas {
             fill : #ff0000;
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    <rect id="canvas" width="100%" height="100%" x="0" y="0" />
</svg>