1.0.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>weclome! my friends</title>
    <style type="text/css">
    h1{
        font-family: 幼圆;
        font-size: x - large;
        color: red;
    }
    </style>
</head>
<body>
    <h1>当你进入HTML的世界，你的<br>感觉是全新的！</h1>
    <Script language = "Javascripe">
        alert("welcome! friends");
    </Script>
</body>
</html>