How do you add custom styles for printing a webpage?

The correct method for adding custom styles specifically for printing a webpage is by utilizing a @media print query in CSS. This approach allows you to define styles that will only be applied when the content is printed.

When you include a @media print query in your CSS, you can specify styles that optimize the layout and appearance of the content specifically for print. For example, you might want to hide certain elements that are unnecessary in a printout, change text colors for better visibility on paper, or adjust font sizes for readability. This targeted styling is applied automatically by the browser when a user chooses to print the webpage.

While linking to a separate print.css file can also be effective, it is primarily dependent on the correct inclusion of this file and does not allow for as much contextual control within a single stylesheet as the @media print query does. The use of the print property in HTML itself is not a recognized method for styling and thus does not serve the purpose intended for print-specific styling. Similarly, there is no recognized print attribute in HTML that would accomplish this task. Thus, leveraging the @media print query is the most efficient and effective way to ensure your webpage is styled appropriately for printing.