<!DOCTYPE html>
<html>
<head>
<style>
body {
background-color: #fc9; /* same as #ffcc99 */
}
h1 {
color: #f0f; /* same as #ff00ff */
}
p {
color: #b58; /* same as #bb5588 */
}
</style>
</head>
<body>
<h1>CSS 3桁の16進コード</h1>
<p>これは段落です。</p>
</body>
</html>
