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How to fix dark theme issues with Firefox in Linux

How to fix dark theme issues with Firefox in Linux

Site Index Linux

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It took me quite a long time to finally figure this out but thanks to some handy guides out there (and some people that are clearly smarter than me) I did.

My issue was that text in fields was barely visible:

To fix this, in your home folder, navigate to:

~/.mozilla/firefox/<profile directory>/

Note: the profile directory will usually be a random set of letters and numbers such as zee4bhai.default or similar. Enter this directory and check to see if you have a /chrome folder. If not, create it with mkdir chrome and enter it.

Now create a new file called userContent.css like so (subbing out your preferred editor of course):

nano userContent.css

Paste the following into the file and save:

input {
  border: 2px inset white;
  background-color: white;
  color: black;
  -moz-appearance: none !important;
}

textarea {
  border: 2px inset white;
  background-color: white;
  color: black;
  -moz-appearance: none !important;
}

select {
  border: 2px inset white;
  background-color: white;
  color: black;
  -moz-appearance: none !important;
}

input[type="radio"],
input[type="checkbox"] {
  border: 2px inset white ! important;
  background-color: white ! important;
  color: ThreeDFace ! important;
  -moz-appearance: none !important;
}

*|*::-moz-radio {
  background-color: white;
  -moz-appearance: none !important;
}

button,
input[type="reset"],
input[type="button"],
input[type="submit"] {
  border: 2px outset white;
  background-color: #eeeeee;
  color: black;
  -moz-appearance: none !important;
}

body {
  background-color: white;
  color: black;
  display: block;
  margin: 8px;
  -moz-appearance: none !important;
}

Now restart Firefox and you should be good to go!

Happy browsing!

Mike

CMS & Marketing / How to fix dark theme issues with Firefox in LinuxLast updated on January 5, 2019
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