009 여백


<!DOCTYPE html>
<html>
<head>
    <title>Document</title>   
    <style>
        h1{
            border: 1px solid black;
            padding: 2px 10px 20px 40px;
            margin:20px 
        }        
    </style> 
</head>
<body>
    <h1>hello world</h1>
</body>
</html>