- Published on
Fixing Blurred ShadCN Dialog Components
- Authors
- Name
- Ripal & Zalak
Introduction
Sometimes, a ShadCN dialog component in a React application might unexpectedly become blurred. This issue often relates to CSS transformations or styles applied to the dialog. In this guide, we’ll explore common causes of this problem and provide practical solutions to fix it.
Common Causes of the Blurred Dialog Issue
CSS Transformations:
- Properties like
translate
orscale
may inadvertently create rendering artifacts that cause the dialog to appear blurred.
- Properties like
Rounded Borders:
- The
border-radius
property can sometimes cause blurring when combined with certain transformations.
- The
Rendering Layers:
- Overlapping elements or incorrect z-index settings can interfere with rendering, resulting in a blurred appearance.
Solutions
translate-y
Property
1. Adjust the Blurriness can occur when fractional pixel translations are applied to the dialog. To resolve this, adjust the translate-y
property slightly:
translate-y-[-50%] // Original value causing blurriness
translate-y-[-53%] // Updated value to fix blurriness
Example:
<DialogPrimitive.Content
ref={ref}
className={cn(
'fixed left-[50%] top-[50%] z-20 w-full max-w-2xl translate-x-[-50%] translate-y-[-53%] border bg-white shadow-lg',
className
)}
{...props}
>
{children}
</DialogPrimitive.Content>
top
Property
2. Modify the To maintain proper alignment after adjusting the translate-y
value, tweak the top
property as well:
top-[50%] // Original value
top-[53%] // Adjusted value
This ensures that the dialog remains centered without blurring.
3. Remove Rounded Borders
In some cases, the border-radius
property (e.g., rounded-md
) can contribute to blurring. You can remove it to see if the issue resolves:
<DialogPrimitive.Content className="border bg-white shadow-lg">{children}</DialogPrimitive.Content>
If removing rounded borders isn’t acceptable for your design, combine it with anti-aliasing techniques (e.g., -webkit-backface-visibility: hidden;
) to reduce blurring.
4. Ensure Proper Z-Index and Layering
Blurring can also result from improper layering. Make sure the dialog has a sufficiently high z-index
to avoid interference from other elements:
.z-50 {
z-index: 50;
}
5. Test with Different Content
If the issue persists, try replacing the dialog’s content temporarily to identify whether specific components or styles are contributing to the problem. For example, TinyMCE editors or other dynamic components may require specific handling.
Best Practices
- Optimize CSS: Avoid overly complex or nested transformations.
- Debug Incrementally: Make changes one at a time to isolate the issue.
- Cross-Browser Testing: Ensure your dialog renders correctly in all target browsers.
Conclusion
Blurring in ShadCN dialog components can often be resolved by tweaking CSS transformations or removing conflicting styles. By following the steps outlined above, you can fix the issue and ensure a smooth user experience.