Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

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

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Black background when scroll down in website

  • 1 freagra
  • 7 leis an bhfadhb seo
  • 10 views
  • Freagra is déanaí ó 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