Random CSS Box-Shadow & Border-Radius Generator
Generate a random CSS box-shadow and border-radius combination with a live preview and ready-to-copy code — a quick way to break out of the same three shadow styles.
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How the Random CSS Box-Shadow & Border-Radius Generator works
Rather than picking every shadow value completely independently (which tends to produce shadows that look broken or unnatural), values are drawn from ranges tuned to produce a visually coherent result: vertical offset is always kept larger than horizontal offset since real-world light sources are typically overhead, blur radius scales with the overall shadow size, and opacity stays in a range that reads as a shadow rather than a solid dark shape.
Border-radius randomly chooses between a uniform radius (all four corners equal) and four independent corner values for a more organic, asymmetric shape — both are valid, real CSS patterns used in modern design.
How to use it
Frequently asked questions
Will every generated shadow look good?
Most will, since values are constrained to realistic ranges, but design taste is subjective — regenerate if a particular result doesn't fit your project.
What's the difference between soft and bold style?
Soft produces smaller offsets, tighter blur, and lower opacity for a subtle card-like shadow; bold uses larger values across the board for a more dramatic, floating effect.
Can I use this for dark mode designs?
The generated shadow uses a dark, semi-transparent color suited to light backgrounds; for dark mode, you'd typically want a different approach (like a lighter glow or border instead of a shadow).