how to change firefox background color? I followed the instructi

来源: 于 2013-12-09 12:45:01 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

how to change firefox background color? I followed the instruction but failed. I just bought a new computer. Firefox background is black and I click on firefox home page, content, color ... but it failed. Can someone give me a help? Thanks alot!