<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>第一个HTML网页</title>
</head>
<body text="blue">
Hello,<b>world</b>
<hr size="5px" align="left" color="red" width="50%">
你好!
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>第一个HTML网页</title>
</head>
<body text="blue">
Hello,<b>world</b>
<hr size="5px" align="left" color="red" width="50%">
你好!
</body>
</html>