What potential pitfalls should PHP beginners be aware of when trying to modify link colors and text styles in PHP files?

PHP beginners should be aware that modifying link colors and text styles in PHP files can be tricky because PHP is primarily a server-side language and does not directly handle front-end styling. To modify link colors and text styles, beginners should use HTML and CSS within their PHP files or separate CSS files. They should avoid directly embedding styling within PHP code, as it can lead to messy and hard-to-maintain code.

// Example of how to modify link colors and text styles using HTML and CSS within a PHP file

<!DOCTYPE html>
<html>
<head>
    <style>
        /* CSS for link colors and text styles */
        a {
            color: blue;
            text-decoration: none;
        }
        
        p {
            font-size: 16px;
            color: #333;
        }
    </style>
</head>
<body>
    <p>This is a paragraph with a <a href="#">link</a>.</p>
</body>
</html>