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Gradient Border Generator
Generate gradient borders using CSS border-image or masking tricks. Customize stops, angles, widths, and instantly copy the CSS snippet.
How to use this tool
- Pick a rendering technique (`border-image` or mask-based cutout).
- Adjust gradient type, stops, border width/radius, and background styling.
- Copy the generated CSS and apply it to your component markup.
Technique choices
- `border-image` offers broad support with minimal markup.
- Mask technique gives cleaner rounded cutouts on complex backgrounds.
- Choose based on browser support requirements and visual fidelity needs.
Implementation notes
- Use well-spaced color stops to avoid abrupt transition banding.
- Validate contrast between border gradients and inner content backgrounds.
- When using mask mode, keep Safari prefix support in your stylesheet.
FAQ
- When should I use mask instead of border-image?
- Use mask when you need precise rounded inner cutouts or more advanced visual layering.
- Can I add more than two color stops?
- Yes. You can add and reposition multiple gradient stops.
- Does this output include both CSS and preview?
- Yes. The tool provides live preview plus copy-ready CSS output.
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