CSS shadow: what it is and how to use it
CSS shadow: Build box-shadow CSS. Fast and free in your browser.
June 22, 2026 · 2 min read
CSS shadow: what it is and how to use it
What is CSS shadow?
CSS shadow builders tune box-shadow visually and copy ready CSS. CodeGrid Tools previews client-side; experiments are not cloud-stored. Great depth for cards and buttons. Combine with gradients for modern UI. This guide explains when CSS shadow helps and how to run it step by step in CodeGrid Tools.
When is it useful?
- Build box-shadow CSS
- Runs in your browser—no extra software required
How to use it in CodeGrid Tools
Step 1: Adjust Offset and Blur
Drag the X, Y, and blur values.
Step 2: Choose Spread and Color
Set spread and RGBA opacity.
Step 3: Copy CSS
Add the code to your component.
Tips
- Use an up-to-date browser (Chrome, Edge, Firefox, or Safari).
- Large files may take longer depending on your device.
FAQ
What is the difference between box-shadow and drop-shadow?
box-shadow is applied to the box, while filter: drop-shadow follows the alpha shape. This tool generates box-shadow.
Can I add layered shadows?
Yes. You can create depth with multiple shadow definitions separated by commas.
What about performance?
Large, blurry shadows increase paint cost, so keep them simpler on mobile devices.
Use CSS shadow →