CSS Glassmorphism Generator
Create stunning modern glass UI effects instantly. Adjust sliders for blur, opacity, and color, then copy the cross-browser compatible CSS code.
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Glassmorphism Effect
.glass {
background: rgba(255, 255, 255, 0.2);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.3);
border-radius: 16px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}Guide to Advanced CSS Glassmorphism
Glassmorphism has become a staple of modern web design, popularized by Apple's iOS and macOS interfaces. It uses translucency, background blur, and subtle light borders to create a feeling of depth and hierarchy, mimicking frosted glass.
Backdrop Filter (The Blur)
The core of the effect is backdrop-filter: blur(). This blurs whatever is behind the element, creating the frosted glass look.
Semi-Transparent Backgrounds
The element itself must have a semi-transparent background (using rgba) so the blurred background can show through.
Subtle Borders
A very thin, semi-transparent white or colored border simulates the physical edge of a sheet of glass, adding realism.
Vibrant Backgrounds
Glassmorphism looks best over colorful, vibrant, or gradient backgrounds. If the background is too plain, the blur effect is invisible.
Key Highlights
Ensure that text placed on top of glassmorphic elements has sufficient contrast against the blurred background. If the background changes dynamically, you may need to use text shadows or dynamically adjust the text color to maintain readability.
Accessibility Considerations
Understand the core mechanics and boost your knowledge with our professional tools.
Expert FAQs
Everything you need to know about this tool.
Q: Is Glassmorphism supported in all browsers?
It is widely supported in modern browsers. However, Firefox requires users to enable it in about:config in some older versions, and very old browsers might just show a solid or semi-transparent fallback background.
Q: Does backdrop-filter affect performance?
Yes, heavy use of backdrop-filter, especially with large blur radii or on large overlapping elements, can cause performance issues and lag, particularly on mobile devices. Use it sparingly.
Q: How do I make the glass effect look realistic?
Add a subtle drop shadow (box-shadow) below the element to separate it from the background, and ensure your background has enough contrast and color variation for the blur to be noticeable.