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I switched to a dark theme (Dolorean Dark). I like it and I think--it is better for eyes. However I have problems in some web pages. Most pages are intended to be shown on white background. On dark theme form controls have black background and mostly the font is also black, so the content of forms are invisible. I would like to use white theme on web pages in Firefox.

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up vote 5 down vote accepted

changing userContent.css solves problem ; more information is here also dolerean theme comes with the firefox tweak more information is here; just installing it is enough

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If it works, accept it as answer :) – mac Oct 11 '12 at 10:31
2  
+1 because it works. Would be nice however if you had included the working userContent.css in your answer. – Bruni Mar 23 at 14:50

The best solution to tell Firefox that it should use the light theme instead of the dark is by specifying the GTK_THEME variable prior to launching.

So, 4 ways you get for doing this..

1- from terminal you can do:

GTK_THEME=Adwaita:light firefox

2- if you hate the terminal and wanna close it once firefox works:

GTK_THEME=Adwaita:light firefox &

3- from firefox about:config you can set the following setting to false:

browser.display.use_system_colors

WON'T WORK FOR localhost SITES! so if you are a web developer/designer it won't work out that well for you.

4- if you want this to be the defualt behavior:

Just add two lines to the Firefox launcher script located at /usr/lib/firefox/firefox.sh

in the terminal type down:

sudo gedit /usr/lib/firefox/firefox.sh

look at the beginning of the script for this:

MOZ_LIBDIR=/usr/lib/firefox
MOZ_APP_LAUNCHER=`which $0`
MOZ_APP_NAME=firefox

export MOZ_APP_LAUNCHER

and change it to this:

MOZ_LIBDIR=/usr/lib/firefox
MOZ_APP_LAUNCHER=`which $0`
MOZ_APP_NAME=firefox
GTK_THEME=Adwaita:light

export MOZ_APP_LAUNCHER
export GTK_THEME

Finally, restart Firefox.

Hope this helps.

Please help me by voting this up.

Thank you :)

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You cannot do anything with it, except changing to a white theme!

EDIT: This is wrong. Please check the below comment given by OP for correct answer

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The solution itself is changing to white theme. May be my language is bad, edited it. – mac Oct 5 '12 at 8:20
    
changing userContent.css solves problem ; more information is here ubuntuforums.org/showthread.php?t=1715679 also dolerean theme comes with the firefox tweak more information is here; just installing it is enough gnome-look.org/content/show.php/DeLorean-Dark?content=153866 – bkilinc Oct 5 '12 at 13:33
    
Ohh nice. Instead of posting this as comment, post this as answer to your question(you can answer your own question). In that way, people who see this question later can get answer directly :) – mac Oct 6 '12 at 4:45
    
thx. That was my intention. I was in a hurry and posted in wrong place :) – bkilinc Oct 6 '12 at 6:16
    
you just posted answer, accept it as answer :) (by selecting the tick mark on the left) – mac Oct 6 '12 at 13:10

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