[css2] Issue 28: "stylesheet" -> "style sheet"

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extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%402507

Author: bert-github

css2/visufx.src

@@ -189,7 +189,7 @@ Finally, consider this case where an absolutely positioned element
 is mixed with an overflow parent.
 </p>
 <p>
-Stylesheet:
+Style sheet:
 </p>
 <pre><code class="html">
   container { position: relative; border: solid; }