Frontend Editing / Static Elements Replacement

Using CKEditor in a content management system with frontend-editing:

:?:

How to configure/use CKEditor for frontend-editing?

:?:

How to make the CKEditors content inherit from the frontends stylesheet?

<html>
<head>
  <link href="/stylesheets/style.css" />
</head>
<body>
  <div id="header">
    <textarea class="editor">
      This content inherits the css from #header defined in  "/stylesheets/style.css"
    </textarea>
  </div>
  <div id="content">
    <textarea class="editor">
      This content inherits the css from #content defined in  "/stylesheets/style.css"
    </textarea>
  </div>
  <div id="header">
    <textarea class="editor">
      This content inherits the css from #footer defined in  "/stylesheets/style.css"
    </textarea>
  </div>
</body>
</html>

Where to find more infos about "Static Elements Replacement"?