Custom CSS in the context of WordPress and web development refers to user-defined cascading style sheets that allow developers and site owners to modify the appearance and layout of their websites without altering the core theme files. This customization is crucial for enhancing user experience, ensuring brand consistency, and improving SEO by optimizing design for faster load times and better mobile responsiveness. By leveraging Custom CSS, marketers and developers can achieve precise control over visual elements, contributing to a more engaging and professional online presence.
