CSSDesigner is a comprehensive software tool for designing CSS3 effects. It offers quick and easy creation and editing of CSS3 and CSS2 effects. Additionally, it enables users to select, remove, and modify specific CSS properties.

One of the standout features of CSSDesigner is the ability to copy one layer to another, allowing you to work more efficiently. You can paint with CSSDesigner just as you would on a canvas, using different sizes, shapes, and blending modes. This flexibility makes it easy to adjust CSS settings to achieve just the look you want.
With CSSDesigner, you can open and save CSS using the popular css format. Plus, you can save your CSS with layers, making it easy to make changes down the road. Overall, CSSDesigner is a full-featured CSS3 designer that's definitely worth considering for your web design needs.
Version 4.5:
[Fixed] Fix session.enableNetworkEmulation(options) API not working.
[Fixed] Fix WebContents.executeJavaScript(code) not working when called during a resource load after page is loaded.
[Fixed] Fix occasional exception when removing a reference to a remote object.