📦 CSS Box Shadow Generator
Create beautiful CSS box shadows, 3D elevations, and inset effects with interactive sliders. Real-time visual preview and 1-click CSS export.
Free No Signup Required Browser-Based
0px
10px
20px
-3px
Preview Box
CSS Code
box-shadow: 0px 10px 20px -3px rgba(0, 0, 0, 0.15);
How to Use CSS Box Shadow Generator
- Choose a shadow preset (Subtle Card, Floating Elevation, Neumorphism, Inset)
- Adjust horizontal/vertical offset, blur, spread, color, and opacity sliders
- Inspect the live 3D preview box and copy the CSS snippet directly into your stylesheet
📖 Technical Encyclopedia & Standards Reference
Create beautiful CSS box shadows, 3D elevations, and inset effects with interactive sliders. Real-time visual preview and 1-click CSS export. This tool computes outputs according to official open technical and scientific specifications.
✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
Explore more formulas in our Tools Encyclopedia & Glossary →
Frequently Asked Questions
What are the 5 components of a CSS box-shadow property?
A CSS box-shadow syntax comprises: [inset] horizontal-offset vertical-offset blur-radius spread-radius color (e.g., box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1)).
How do I create smooth modern shadow elevations?
Modern UI design uses high blur radius (12–24px) combined with negative spread (-2px to -4px) and subtle opacity (8%–15%) for natural elevation.