CSS Generator Suite
Visual CSS code generator: live preview controls for box-shadows, linear/radial gradients, glassmorphism backdrop-filters, and flexbox layouts.
/* Generated CSS will display here */💡 Modern Shadow Design Advice
Avoid harsh, dark single-layer shadows with zero spread (e.g. box-shadow: 0 4px 6px #000). High-end SaaS interfaces use diffuse, low-opacity shadows with subtle negative spread (e.g. box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12)) to achieve realistic physical elevation without visual clutter.
About this tool
How to use it
- Choose the CSS tool you need: Box Shadow, CSS Gradient, Glassmorphism, or Flexbox Layout.
- Adjust the interactive sliders (blur, spread, opacity, angles, flex alignments) to see live visual updates.
- Inspect the real-time preview element as you tweak parameters.
- Click 'Copy CSS' to grab clean, standards-compliant CSS rules ready to paste into your stylesheet.
Why it matters
Crafting subtle modern CSS effects like multi-stop gradients, glassmorphism backdrop-filters, and soft multi-pixel shadows through guesswork is tedious and error-prone. A live visual playground allows front-end developers to dial in perfect pixel metrics instantly.
When to use it
Use this tool when designing web apps, prototyping landing pages, styling card UI components, or testing responsive flexbox layouts.
Good to know
Generates vanilla CSS3 syntax including backdrop-filter with webkit fallbacks and standard flexbox alignment rules. Zero external dependencies.
Common questions
What is glassmorphism in CSS?
Glassmorphism is a modern UI design trend that gives elements a translucent frosted-glass appearance using a semi-transparent background color combined with the CSS backdrop-filter: blur() property.
What is the difference between blur and spread in box-shadow?
Blur radius softens and expands the outer shadow edges with a color gradient. Spread radius physically increases (positive) or shrinks (negative) the footprint size of the shadow before blur is applied.
Are vendor prefixes like -webkit- still necessary?
For box-shadow and modern gradients, all current browsers support unprefixed standards. However, backdrop-filter still benefits from the -webkit-backdrop-filter prefix for full Safari iOS compatibility, which this tool includes automatically.
Is this tool free and private?
Yes, 100% free and client-side. No code or designs are uploaded or tracked.