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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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Beyond the Toggle: 4 Rules for Perfecting Dark Mode UX in 2026

Beyond the Toggle: 4 Rules for Perfecting Dark Mode UX in 2026

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2 min read
Tabular Numbers in CSS: font-variant-numeric vs Monospace Hacks

Tabular Numbers in CSS: font-variant-numeric vs Monospace Hacks

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4 min read
A Tiny CSS Gradient Designer in 200 Lines — And Why Sorting Happens at Output Time

A Tiny CSS Gradient Designer in 200 Lines — And Why Sorting Happens at Output Time

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4 min read
CSS Pixel Art Battle Items — Potions, Shards, Balls & Loot with Code

CSS Pixel Art Battle Items — Potions, Shards, Balls & Loot with Code

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7 min read
Building a Blog Platform with Docker #2: Tailwind CSS

Building a Blog Platform with Docker #2: Tailwind CSS

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6 min read
Migrating MUI in a Single-SPA Microfrontend — What the Official Docs Don't Tell You

Migrating MUI in a Single-SPA Microfrontend — What the Official Docs Don't Tell You

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6 min read
CSS types & HTML elements

CSS types & HTML elements

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3 min read
Stop exporting SCSS variables from your design system

Stop exporting SCSS variables from your design system

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4 min read
50 Japanese Traditional Colors, Sorted By Hue — Because the Names Aren't Enough

50 Japanese Traditional Colors, Sorted By Hue — Because the Names Aren't Enough

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4 min read
CSS Tricks That Save Me Hours Every Week

CSS Tricks That Save Me Hours Every Week

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3 min read
CSS中央揃えの迷路から抜け出す!「要素の中身」と「要素自体」の明確な違い

CSS中央揃えの迷路から抜け出す!「要素の中身」と「要素自体」の明確な違い

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1 min read
When dev and prod disagree about your CSS

When dev and prod disagree about your CSS

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4 min read
Mobile CSS consistency: all best practices in 2026

Mobile CSS consistency: all best practices in 2026

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10 min read
Cascading Style Sheets(CSS)

Cascading Style Sheets(CSS)

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2 min read
@supports Lies: When CSS Says 'Yes' but Browsers Say 'LOL No'

False positives in nested feature detection

@supports Lies: When CSS Says 'Yes' but Browsers Say 'LOL No'

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2 min read
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