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Direct link to the article What’s !important #5: Lazy-loading iframes, Repeating corner-shape Backgrounds, and More What’s !important #5: Lazy-loading iframes, Repeating corner-shape Backgrounds, and More

This issue of What’s !important is dedicated to our friends in the UK, who are currently experiencing a very miserable 43-day rain streak. Presenting: the five most interesting things to read about CSS from the last couple of weeks. Plus, the latest features from Chrome 145, and anything else you might’ve missed. TL;DR: lots of content, but also lots of rain.

Daniel Schwarz on Feb 13, 2026

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Article on Dec 5, 2025

What Else Could Container Queries… Query?

container-queries Daniel Schwarz Article on Dec 4, 2025

Scrollytelling on Steroids With Scroll-State Queries

Scroll Driven Animation Lee Meyer Article on Dec 10, 2025

Creating Scroll-Based Animations in Full view()

CSS functions Scroll Driven Animation Preethi Article on Dec 8, 2025

That Time I Tried Explaining HTML and CSS to My 5-Year Old Niece

learning Kevine Nzapdi Article on Nov 6, 2025

Explaining the Accessible Benefits of Using Semantic HTML Elements

accessibility semantics Geoff Graham Article on Oct 27, 2025

Pure CSS Tabs With Details, Grid, and Subgrid

grid html elements layout subgrid Silvestar Bistrović Article on Oct 29, 2025

Getting Creative With Small Screens

rwd UI/IX Design Andy Clarke Article on Dec 8, 2025

Masonry: Watching a CSS Feature Evolve

browser csswg grid masonry specifications Saleh Mubashar Article on Sep 29, 2025

Touring New CSS Features in Safari 26

browser news safari Juan Diego Rodríguez

Latest Articles

Direct link to the article Making a Responsive Pyramidal Grid With Modern CSS

Making a Responsive Pyramidal Grid With Modern CSS

This is the second part of a small two-part series. In this article, we will explore another type of grid: a pyramidal one. We are still working with hexagon shapes, but a different organization of the elements., while exploring other different shapes.

Temani Afif on Feb 12, 2026 Direct link to the article Approximating contrast-color() With Other CSS Features

Approximating contrast-color() With Other CSS Features

The new contrast-color() function is not fully supported yet. But can we still implement it in a cross-browser friendly way using other new CSS features?

Kevin Hamer on Feb 11, 2026 Direct link to the article Trying to Make the Perfect Pie Chart in CSS

Trying to Make the Perfect Pie Chart in CSS

Can we make pie chart that’s semantic, with flexible markup, and avoids using a JavaScript library? Here’s how I tackled it.

Juan Diego Rodríguez on Feb 9, 2026 Direct link to the article CSS Bar Charts Using Modern Functions

CSS Bar Charts Using Modern Functions

CSS-only bar charts are one of those things we’ve tackled a bunch of times in different ways. But how can modern CSS features finally make it not only trivial, but fun?

Preethi on Feb 5, 2026 Direct link to the article No Hassle Visual Code Theming: Publishing an Extension

No Hassle Visual Code Theming: Publishing an Extension

You’d think that publishing a VS Code extension is an easy process, but it’s not. You have to publish your theme in at least two places.

Zell Liew on Feb 3, 2026 Keep browsing in the archives

Quick Hits

Chrome 145 enables % units for letter-spacing and word-spacing as well as overscroll-behavior for all scroll containers, now baseline.

# February 16, 2026

Chrome 145 finally ships text-justify, which is almost baseline now.

# February 13, 2026

Chrome 145 becomes the first to ship customizable <select>, as well as column-wrap and column-height for better multicol layouts.

# February 11, 2026

Una Kravets announces border-shape with a couple of cool demos.

# February 9, 2026 More Quick Hits →

Collections

Fresh From the Almanac

Properties, selectors, rules, and functions!

Almanac on Feb 10, 2026

progress()

.element { opacity: progress(100vw, 400px, 1200px); } Juan Diego Rodríguez Almanac on Feb 4, 2026

abs()

.element { width: abs(-200px); } math Gabriel Shoyombo Almanac on Jan 20, 2026

animation-range

.element { animation-range: cover; } John Rhea Almanac on Feb 4, 2026

view-timeline-axis

.element { view-timeline-axis: x; /* horizontal axis */ } John Rhea Almanac on Jan 29, 2026

view-timeline-inset

.element { view-timeline-inset: 200px 20%; } John Rhea Almanac on Jan 15, 2026

blur()

.element { filter: blur(5px); } filter Gabriel Shoyombo Almanac on Jan 7, 2026

superellipse()

.element { corner-shape: superellipse(2); } Saleh Mubashar Almanac on Nov 26, 2025

corner-shape

.element { corner-shape: scoop; } Saleh Mubashar Almanac on Dec 18, 2025

asin()

.element { rotate: asin(-0.5); } math Juan Diego Rodríguez Almanac on Dec 18, 2025

acos()

.element { rotate: acos(0.5) } math Juan Diego Rodríguez Almanac on Oct 2, 2025

cross-fade()

.element { background-image: cross-fade(url(a), url(b)); } images Gabriel Shoyombo

Latest CSS Guides

Dive deep into CSS features and concepts

Article on Jun 26, 2025

CSS Color Functions

color Sunkanmi Fafowora Article on May 30, 2025

Styling Counters in CSS

counters lists Juan Diego Rodríguez Article on Feb 13, 2026

CSS Anchor Positioning Guide

anchor positioning Juan Diego Rodríguez Article on May 2, 2025

CSS Selectors

selectors Geoff Graham Article on Aug 27, 2024

CSS Length Units

container units units Geoff Graham Article on Jan 14, 2026

CSS Container Queries

container-queries Geoff Graham Article on Dec 19, 2024

CSS Media Queries Guide

media queries Andrés Galante Article on Dec 9, 2025

Cascade Layers Guide

cascade layers Miriam Suzanne Article on Aug 21, 2025

CSS Functions Guide

functions Eric Bailey Article on Aug 12, 2024

CSS Gradients Guide

Geoff Graham Article on Oct 17, 2024

CSS Custom Properties Guide

custom properties Chris Coyier

Classic Tricks

Timeless CSS gems

Article on Oct 6, 2021

Scroll Animation

Chris Coyier Article on Oct 6, 2021

Yellow Flash

Chris Coyier Article on Oct 6, 2021

Self-Drawing Shapes

Chris Coyier Article on Nov 3, 2025

Scroll Shadows

Geoff Graham Article on May 20, 2020

Editable Style Blocks

Chris Coyier Article on Oct 6, 2021

Scroll Indicator

Chris Coyier Article on Mar 15, 2020

Border Triangles

Chris Coyier Article on Oct 3, 2021

Pin Scrolling to Bottom

Chris Coyier Article on Jul 5, 2021

Infinite Scrolling Background Image

Chris Coyier