<!DOCTYPE HTML>
<html>
<svg id="s">
<style>
#b { display: none; }
rect { fill:orange; }
</style>
<rect width="10" height="10" fill="lime"/>
</svg>
<style>
#b { display: block; }
rect { fill:blue; }
</style>
<div id="b" style="border:2px solid black">
<svg>
<use xlink:href="#s"/>
</svg>
</div>