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CSS

Cascading Style Sheets (CSS) is a simple language for adding style (e.g., fonts, colors, spacing) to HTML documents. It describes how HTML elements should be displayed.

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Firefox Font Rendering: How It Works, HiDPI Settings, and Linux Configuration

Firefox Font Rendering: How It Works, HiDPI Settings, and Linux Configuration

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4 min read
Dark Mode in Firefox: OS Settings, Force Dark, NightOwl vs Dark Reader, and Per-Site Control

Dark Mode in Firefox: OS Settings, Force Dark, NightOwl vs Dark Reader, and Per-Site Control

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4 min read
userChrome.css: Customizing Firefox's UI with CSS (Compact Mode, Hide Tabs, and More)

userChrome.css: Customizing Firefox's UI with CSS (Compact Mode, Hide Tabs, and More)

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3 min read
Developer Dark Mode: Firefox DevTools, GitHub, MDN, and NightOwl Extension

Developer Dark Mode: Firefox DevTools, GitHub, MDN, and NightOwl Extension

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3 min read
Six exercise types, two layouts, and a phone that gets three tabs instead of three panes

Six exercise types, two layouts, and a phone that gets three tabs instead of three panes

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4 min read
Customizing Firefox's New Tab Page: From Simple to Full Control

Customizing Firefox's New Tab Page: From Simple to Full Control

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3 min read
Firefox Dark Mode: Comparing Dark Reader, NightOwl, and Built-In Options

Firefox Dark Mode: Comparing Dark Reader, NightOwl, and Built-In Options

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3 min read
Firefox Developer Edition vs Regular Firefox: What's Actually Different

Firefox Developer Edition vs Regular Firefox: What's Actually Different

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3 min read
Width is not the viewport, and 800x600 is not a desktop

Width is not the viewport, and 800x600 is not a desktop

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4 min read
Browser Setup for Night Work: Reducing Eye Strain in Firefox

Browser Setup for Night Work: Reducing Eye Strain in Firefox

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3 min read
Firefox DevTools Features Developers Often Miss

Firefox DevTools Features Developers Often Miss

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3 min read
Dark Reader vs NightOwl: Choosing a Firefox Dark Mode Extension

Dark Reader vs NightOwl: Choosing a Firefox Dark Mode Extension

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2 min read
The Button Moved Before Your Finger Landed, and Your Click Handler Is Innocent

The Button Moved Before Your Finger Landed, and Your Click Handler Is Innocent

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3 min read
Firefox Dark Mode: Every Option Explained (and Which Actually Works)

Firefox Dark Mode: Every Option Explained (and Which Actually Works)

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3 min read
OLED Monitors and Dark Mode: Why CSS Inversion Often Beats Your OS Settings

OLED Monitors and Dark Mode: Why CSS Inversion Often Beats Your OS Settings

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3 min read
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