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1 vote
1 answer
183 views

Firefox ignores layout.css.text-decoration-skip-ink.enabled=false setting

Since today, my Firefox browser decided to start ignoring the aforementioned about:config setting which removes the horrible "new" & "stylish" underline look. In other words: ...
0 votes
1 answer
43 views

Disable all clickable elements in Firefox

(Windows) Is this possible? To be more precise; imagine a screenshot of the entire webpage; you can scroll through it, but since it's just a screenshot, you can't interact with it. It's just visuals. ...
2 votes
2 answers
1k views

Firefox 78: change bookmark bar color in userChrome.css

I have this in my userChrome.css: #main-window #PersonalToolbar { background-color: green !important; color: white !important; } After upgrade from Firefox 68.x to 78.3, this no longer has ...
0 votes
1 answer
885 views

Customizing Firefox's built-in PDF.js with CSS

I'm running Firefox 77 on Windows. I use Firefox's built in PDF.js viewer as my default. However, I would like to make a modification to the CSS for the viewer (specifically, I'd like to change the ....
1 vote
1 answer
947 views

Firefox Quantum and NewTab thumbnails

I'm trying to change thumbnails of Top Sites on the NewTab page of Firefox 68, because it shows favicons on some tiles and sites' screenshots on other tiles, this looks non uniform. As I understand, ...
13 votes
3 answers
2k views

Understanding CSS for user styling in a browser

I want to make a specific change to the appearance of a specific site in my web browser. This site uses CSS, so I think what I should do is write a user CSS override (please correct me if this is ...
0 votes
0 answers
780 views

How to view Mozilla Firefox source code within Firefox without an internet connection?

When connected to the internet, Mozilla provides easy access to all source code for Firefox here: https://dxr.mozilla.org/mozilla-central/source/ When not connected to the internet, what internal URL'...
0 votes
1 answer
381 views

How can I force native MathML on Wikipedia pages in Firefox's Reader view?

I've been using the Native MathML extension to make Wikipedia use MathML for its formulas. It worked fine, until I turned on the Firefox's Reader View (I'm using Firefox 67). In that mode, I selected ...
8 votes
1 answer
5k views

Complete userChrome.css specification in Firefox

There were already tons of questions about Firefox's userChrome.css file. Most of these stem from the fact that apparently there isn't a complete specification for this file from Mozilla, a complete ...
7 votes
7 answers
6k views

Hide webpage headers that remain "stuck" at the top when scrolling

For a long time, headers that remain "stuck" at the top of the page have bothered me. Here is the latest example I have run into: Website before scrolling: Website after scrolling down a ...
1 vote
0 answers
35 views

Content theft prevention (webscraping) via CSS [closed]

I'm here because I got: You must have at least 5 reputation on Super User to ask a question on meta, but you may ask a question about your own Super User post specifically. Alrighty then! I like to ...
0 votes
1 answer
515 views

How to change Firefox search box popup font size?

How to change Firefox search box popup font size using userChrome.css?
0 votes
0 answers
76 views

CSS version of materialize css not available

import dash from dash.dependencies import Output ,Input import dash_core_components as dcc import dash_html_components as html import plotly ,random import plotly.graph_objs as go from collections ...
0 votes
1 answer
81 views

Web Page - Firefox, Chrome vs Microsoft Edge

I have created a WebPage, working from NotePad++, and then uploading to 'my site': www.marioninhsgbbstats.com My problem is with the navigation menu. It (my Index and CSS file) works fine when I ...
0 votes
1 answer
216 views

Stylus change any CSS for website code - manual copy from old profile

I use Stylus for Waterfox to fix all the issues with websites. Waterfox is effectively Firefox without getting rid of what made Firefox truly customizable: it's native extensions. Recently an ...

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