html<br>
css<br>
javascript<br>
<br>
<h1>list</h1>
<h2>ordered list</h2>
<ol>
<li>html</li>
<li>css</li>
<li>javascript</li>
</ol>
<h2>unordered list</h2>
<ul>
<li>lee</li>
<li>kim</li>
<li>ju</li>
</ul>
we all learn best the things that <strong>we have <i>discovered</i> for ourselves.</strong> (<a href="https://ko.wikipedia.org/wiki/%EB%8F%84%EB%84%90%EB%93%9C_%EC%BB%A4%EB%88%84%EC%8A%A4">Donald E. Knuth</a>)