We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Black background when scroll down in website

  • 1 reply
  • 7 have this problem
  • 10 views
  • Paskiausią atsakymą parašė cor-el

more options

when i scroll down in the web site, a part of screen became black. i use the latest version of firefox. this problem not appear with others browsers Thank's.

when i scroll down in the web site, a part of screen became black. i use the latest version of firefox. this problem not appear with others browsers Thank's.

All Replies (1)

more options

That is likely a problem (bug) with Cairo on the Windows platform that causes Firefox to render the background after about 32000px (16-bit CSS pixels issue).

  • bug 671302 - cairo-gdi: large background-images and gradients don't work beyond ~ 32735px