<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
#content {
color: red;
}
</style>
</head>
<body>
<h1>option.html</h1>
</body>
</html>
