This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Black background when scroll down in website

  • 1 reply
  • 7 have this problem
  • 10 views
  • Last reply by cor-el

belotfi
belotfi
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)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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