- How to change the background on Firefox to a dark one on new tab / loading screen ?
- Type
about:config
in the URL bar - Search
toolkit.legacyUserProfileCustomizations.stylesheets
and double-click the field to set it totrue
- Type
about:support
in the URL bar - Look for
Profile folder
field and click on the open button next to it. - Create a folder with the name
chrome
- Inside this folder, create a file
userChrome.css
and paste the following code inside it :
tabbrowser tabpanels { background-color: rgb(19,19,20) !important; }
browser { background-color: #131314 !important; }
- Then create another file
userContent.css
and paste the followind code in it :
@-moz-document url-prefix(about:blank) {
html > body:empty {
background-color: rgb(19,19,20) !important;
}
}
@-moz-document url(about:blank) {
html > body:empty {
background-color: rgb(19,19,20) !important;
}
}
-
Completely quit and restart firefox
-
Enjoy
Deleted my previous comment, because I found a solution and wanted to tried it out on different devices and OS's. So, in my case the white flashes reappeared on some computers, although all the settings were still there. This helped:
after it restarts in troubleshoot mode, go back to normal mode
It's still flashing, but with the color which set with "browser.display.background_color" parameter, which can be set in Settings, actually:
However, I hate doing this dance on every machine I use