CSS Box Shadow Generator

Tune depth and contrast in the live preview, then verify the result over the real page background and at the actual component size.

X offset (px)

Y offset (px)

Blur (px)

Spread (px)

Shadow color

Opacity

Inset shadow

Preview

CSS

Production CSS handoff

Review the CSS you will actually ship

This panel stays locked until you review the generated output above. It checks output shape, feature dependencies, motion/fallback concerns and creates a copy-ready component handoff.

Waiting for generated CSS

Output shapeLocked

Declarations—

UTF-8 bytes—

Browser preflightGenerate first

Features detected

Production findings

Copy-ready handoff

Generated component handoff will appear here.

Browser support is checked against the browser running this page, not every browser you support. Treat this as a production preflight, then test the copied CSS in your real component, content, cascade and target browser matrix.

Layered shadow studio

Build the multi-layer shadows used by real card and modal systems. Seed layer 1 from the main generator, add/reorder/remove layers, apply presets, and inspect the exact combined shadow on a live element.

PresetPreview background

—Layers

—Inset layers

—CSS bytes

—Parse status

Ready.

Layer order matters: CSS paints the first listed shadow on top. The preview is rendered by the browser using the same comma-separated box-shadow value shown below.

What this CSS result proves

Generated CSS should be judged by the real output, not just the controls.

What to review before production

Copy the output into the actual component, test its layout/content extremes, and review browser support, fallbacks and accessibility before production use.