<?xml version="1.0" ?>
<svg
 width="300" height="100"
 xmlns="http://www.w3.org/2000/svg">

<style type="text/css">

#element,
.extra
{
 fill: #8f8;
}

</style>

<rect x="0" y="0" width="100" height="100" style="fill: #8f8;" />

<rect x="100" y="0" width="100" height="100" id="element" />

<rect x="200" y="0" width="100" height="100" class="extra" />

</svg>