CSS Box Shadow Generator is designed for the exact search intent behind “css box shadow generator”. Generate CSS box-shadow values from offsets, blur, spread and color, with copy-ready output. Generate CSS box-shadow values from offsets, blur, spread and color, with copy-ready output. Syntax A box shadow commonly uses x-offset y-offset blur-radius spread-radius color , with optional inset . Multiple shadows CSS supports comma-separated shadows, painted front-to-back. Blur and spread Blur softens the edge; spread expands or contracts the shadow's base shape. Worked example: box-shadow: 0 8px 24px 0 rgba(0,0,0,.18); creates a downward soft shadow. Common practical uses include Design cards; Prototype elevation; Create inset shadows; Copy CSS into components. Important limitations: Rendering can vary slightly by browser/platform. Large blurred shadows can affect paint performance. The generator should only claim multiple-shadow support if the UI implements it. Key questions this page should answer include: What are the box-shadow values? Typically x offset, y offset, blur radius, spread radius and color. Can box-shadow be inset? Yes. Can CSS use multiple box shadows? Yes, separated by commas. Can spread be negative? Yes. Does box-shadow affect layout size? It is painted visually and does not normally change the element's layout box. The page should stay focused on this differentiator: Pair visual controls with an exact explanation of the generated CSS syntax. The tool should appear before the explanatory copy so a visitor can complete the task immediately, then use the supporting content to verify the method and understand the result. The explanation should keep terminology consistent with the calculator or converter interface, because a mismatch between labels in the tool and labels in the content can create confusion and weaken search-intent alignment. Where the calculation or transformation has edge cases, the page should state them directly instead of implying that every input is valid. The worked example should mirror the real inputs accepted by the tool and show enough arithmetic or transformation logic for the result to be independently checked.
How to use this tool
Syntax
A box shadow commonly uses x-offset y-offset blur-radius spread-radius color, with optional inset.
Multiple shadows
CSS supports comma-separated shadows, painted front-to-back.
Blur and spread
Blur softens the edge; spread expands or contracts the shadow's base shape.
Examples
Example
<code>box-shadow: 0 8px 24px 0 rgba(0,0,0,.18);</code> creates a downward soft shadow.
Common use cases
- Design cards
- Prototype elevation
- Create inset shadows
- Copy CSS into components
Frequently asked questions
What are the box-shadow values?
Typically x offset, y offset, blur radius, spread radius and color.
Can box-shadow be inset?
Yes.
Can CSS use multiple box shadows?
Yes, separated by commas.
Can spread be negative?
Yes.
Does box-shadow affect layout size?
It is painted visually and does not normally change the element's layout box.