What are some alternatives?
When comparing CSStyle and CSS Scan, you can also consider the following products
CSS: The Missing Manual - The essential stylesheet reference
Tailwind Builder - Tailwind CSS editor for busy developers
MVP.css - Minimalist stylesheet for HTML elements
Hoverify - A chrome extension that makes it super easy to inspect elements. Hover over any element to inspect styles and HTML attributes, live edit CSS, HTML or content, pick colors and much more.