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<h3  id="no"> 기본값 text-decoration: none</h3>
<h3> <a href="www.google.com"> 1. 기본 링크 : 구글 사이트</a></h3>
<h3 id="no2"><a href="www.google.com"> 2. text-decoaration: none : 구글 사이트</a></h3>
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