<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
h1{
padding:20px;
border-bottom: 1px solid gray;
margin:0;
}
nav {
border-right:1px solid gray;
margin-right:20px;
padding-right:20px;
}
nav, article {
float:left;
}
</style>
</head>
<body>
<h1>JavaScript</h1>
<nav>
<ul>
<li><a href="html.html">html</a></li>
<li><a href="css.html">css</a></li>
<li><a>javascript</a></li>
</ul>
</nav>
<article>
<h2>html</h2>
HyperText Markup Language입니다.
</article>
</body>
</html>
