console 命令行工具 X clear

console

<!DOCTYPE html>
<!-- CSS_Syntax001.html  -->
<html>
<head>
    <!-- Style on h1 elements -->
    <style>
        h1 {
            color: green;
            text-align: center;
        }
    </style>
</head>
 
<body>
    <h1>GeeksforGeeks</h1>
</body>
</html>