open_in_new content_copy 
<!DOCTYPE html>
<html lang="en">
<head>

    <title>

        CSS

    </title>

    <style>
        p::first-letter {
        
          font-size: 130%;
        
        }
        
    </style>

</head>

<body>

    <p>

        First letter

    </p>

</body>

</html>