CSS Box Shadow Generator | Multi-Layer Shadow Studio
Design sophisticated multi-layer CSS box shadows with realistic optical depth, Material Design elevation hierarchies (dp0 to dp24), Neumorphic soft UI glow, and inset lighting physics. Visually adjust horizontal/vertical offsets, blur radius, spread expansion, color opacity, and ambient light layers with instant cross-browser CSS and Tailwind CSS export.
box-shadow: 0px 10px 25px -5px rgba(0, 0, 0, 0.1), 0px 8px 10px -6px rgba(0, 0, 0, 0.1);
-webkit-box-shadow: 0px 10px 25px -5px rgba(0, 0, 0, 0.1), 0px 8px 10px -6px rgba(0, 0, 0, 0.1);
-moz-box-shadow: 0px 10px 25px -5px rgba(0, 0, 0, 0.1), 0px 8px 10px -6px rgba(0, 0, 0, 0.1);Creative Presets Library
The Art of Layered Shadows
Single shadow rules in CSS often look harsh and artificial. Modern UI designs create ambient realism by stacking multiple box-shadow layers.
By stacking shadows: - The **outer layer** provides a wide, highly blurred, and translucent ambient glow. - The **inner layer** provides a close, sharper, and darker shade to ground the element. - Stacking prevents shadows from looking "dirty" and mimics how light behaves in real physical spaces.
Shadow Design Principles
- âšLower the Opacity: Use a black shadow (`#000000`) but keep the opacity between `0.05` and `0.2`. High-opacity shadows make layouts feel heavy and dated.
- âšMatch Background Tones: For colored backgrounds, tint the shadow with the background hue (e.g. use deep blue shadows on light blue backdrops) to achieve natural color bleeding.
- âšNeumorphism Rules: Neumorphic designs blend elements into the background. Use one shadow with positive offsets (light source from top-left) and another with negative offsets and white colors.
Browser Compatibility Table
CSS box shadows are universally supported. Legacy browser prefixes are exported for completeness.
| CSS Property | Chrome | Safari | Firefox | Edge |
|---|---|---|---|---|
box-shadow | Full Support (10+) | Full Support (5.1+) | Full Support (4+) | Full Support (9+) |
-webkit-box-shadow | Prefixed (Legacy) | Prefixed (Legacy) | N/A | N/A |
-moz-box-shadow | N/A | N/A | Prefixed (Legacy) | N/A |
Overview & Capabilities
Design sophisticated multi-layer CSS box shadows with realistic optical depth, Material Design elevation hierarchies (dp0 to dp24), Neumorphic soft UI glow, and inset lighting physics. Visually adjust horizontal/vertical offsets, blur radius, spread expansion, color opacity, and ambient light layers with instant cross-browser CSS and Tailwind CSS export.
How to Use
box-shadow: ...) or Tailwind CSS arbitrary class (shadow-[...]).Key Features
shadow-[0_4px_20px_rgba(0,0,0,0.08)]).Common Use Cases
Tips & Best Practices
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Frequently Asked Questions
Q How do Blur Radius and Spread Radius contrast in CSS shadow rendering?
Blur radius controls how softly the shadow edges feather outwards from crisp to diffused. Spread radius physically expands or contracts the underlying shadow bounding box before the blur is applied.
Q What is the difference between blur radius and spread radius in CSS?
Blur radius (the 3rd value) softens and feathers the shadow's edges using a Gaussian blur algorithm. Spread radius (the 4th value) physically expands or contracts the shadow's bounding box size in all directions before the blur is applied.
Q How do I create a recessed inner shadow (inset)?
Adding the `inset` keyword before or after the shadow values renders the shadow inside the element's border box, creating a pressed-in, debossed, or concave appearance perfect for form inputs and toggles.
Q Does this generator support Tailwind CSS?
Yes! In addition to standard vanilla CSS syntax, you can click the 'Copy Tailwind' button to get an arbitrary shadow utility class formatted ready to paste directly into your JSX, HTML, or template.