Changes
Created the template
<!-- Template:Demo begin --><div class="demo {{{class|}}}" style="background:{{{background-style|#{{{bgcolor|eee}}}}}}; border:{{{border-style|thin dotted #{{{border|666}}}}}}; margin:{{{margin-style|{{{top|0}}} {{{right|0}}} {{{bottom|0.125in}}} {{{left|0.25in}}}}}}; padding:{{{padding-style|0.125in}}};">
''<span style="border-bottom:thin solid #{{{bgcolor|eee}}}">Example:</span>''<br />
<noinclude>
<big>The demo goes here.</big>
<br style="clear:left;" />
</div><!-- Template:Demo end -->
{{documentation|Template:Demo begin/doc}}
</noinclude>
''<span style="border-bottom:thin solid #{{{bgcolor|eee}}}">Example:</span>''<br />
<noinclude>
<big>The demo goes here.</big>
<br style="clear:left;" />
</div><!-- Template:Demo end -->
{{documentation|Template:Demo begin/doc}}
</noinclude>