Replace regular list-item markers with em dashes.
Use background image. CSS property list-style-image could be used, but image-to-text position would vary in different browsers.
list-style-image
sup
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<style type="text/css"> ul.example { margin: 0.5em 0; padding: 0 0 0 2em; } ul.example li { margin: 0.5em 0; padding: 0 0 0 20px; list-style-type: none; background: url('li.gif') no-repeat 0 0.6em; } </style> <ul class="example"> <li>item with a proper marker</li> <li>../css_content_in_ie/">a technique</a><sup>®</sup> that allows to ensure correct behavior of <code>sup</code></li> </ul>