There are many reasons to hire a CSS3 developer. Some of the benefits include: - Increased website speed and performance - can help improve the speed and performance of your website by reducing the amount of code that needs to be downloaded and executed by the browser. - Better cross-browser compatibility - is more consistent across different browsers, meaning that your website will look better for all users, regardless of which browser they are using. - More advanced features - allows for more advanced styling options, such as rounded corners, shadows, and animations. This can help give your website a more modern and professional appearance.