<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<p class="one">This is some text in a paragraph.</p>
<p class="two">This is some text in a paragraph.</p>
<p><b>注释:</b>只有在规定了 !DOCTYPE 时,Internet Explorer 8 (以及更高版本) 才支持 outline-width 属性。</p>