Can you attach a screenshot?

• http://en.wikipedia.org/wiki/Screenshot
• https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem

Use a compressed image type like PNG or JPG to save the screenshot.

You can try to disable hardware acceleration in Firefox (you need to close and restart Firefox).

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Hello Dear,

Thanks for the reply.

As attached image I have marked the UI changes which does not look good and which is coming because of box - shadow CSS property.

cross lines from the opposite corners through the image are shown which looks not very well.

This is happen whenever I open any site which used box-shadow property.

The image button and some background images were changed so I feel discomfort when navigating any site.

That looks weird.

Does disabling hardware acceleration help?

You can try to disable hardware acceleration in Firefox (you need to close and restart Firefox).

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
• https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Hey, thanks

The above trick is works for me.

I have disabled the "Use hardware acceleration when available" and now it looks completely fine.

Many many thanks !!!