You may copy and paste the following text into your favorite editor.
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20001102//EN"
"http://www.w3.org/TR/2000/CR-SVG-20001102/DTD/svg-20001102.dtd">
<svg id="body" width="21cm" height="13.5cm"
viewBox="0 0 210 135">
<title>Example 1</title>
<desc>
Rectangle with red border and light yellow interior.
</desc>
<defs>
<style type="text/css">
<![CDATA[
rect {
fill: #eeeeff;
stroke: red;
stroke-width: 1;
};
]]>
</style>
</defs>
<rect x="10" y="20" width="150" height="70" />
</svg>