CSS

Preethi Sam walks through an example that demonstrates where custom properties are more suitable than variables while showcasing the greater freedom and flexibility that custom properties provide for designing complex, refined animations.

Preethi Sam walks through an example that demonstrates where custom properties are more suitable than variables while showcasing the greater freedom and flexibility that custom properties provide for designing complex, refined animations.

To remove some of the confusion, here’s a list of misconceptions about Specificity in CSS …

With the container style queries on the horizon, it is a good time to do more experiments with them. In one of my recent experiments, I found out that style queries will allow us to do what the currently specified (but not implemented by anyone) function `toggle()` was supposed to.

CSS has an aspect-ratio property, which has had full support since around 2021. It can be a very satisfying property to use, because it can help match how your brain 🧠 works or what the desired design outcome does better than forcing dimensions does. “I need a square here” or “I need to match the […]

Can Low-Quality Image Placeholders and LCP play nicely together?

Remember the HTML `` element? It’s deprecated, so it’s not like you’re going to use it when you need some sort of horizontal auto-scrolling feature. That’s where CSS comes in because it has all the tools we need to pull it off. Silvestar Bistrović demonstrates a technique that makes it possible with a set of images and as little HTML as possible.

Learn how to use CSS container queries today.

The one where I demo some lesser-known CSS for stylin’ buttons

CSS has an infinity constant. When I first learned about this, my brain lit up with all kinds of absurd possibilities. Let’s discuss! There might even be some...

Working with colors on the web just got more interesting! In this article, we’ll explore how to use the CSS color-mix() function to create variations in color palettes.

If you find yourself removing a border from an element that has a border and are tempted to use border: 0 , border: none, or outline: none, I’d urge you to stop for a moment and reconsider. It’s li…

In the third part of this series, we’ll look at length units based on the container. Yes, you heard that right, we can finally get some measurements based on a containing element and that just spells awesome in my book. Currently available in all evergreen browsers, these units open up a lot of opportunities to create some smart systems and once again, I will write this up packed with a bunch of demos and cool use cases.

New math constants and functions are coming to CSS... now with more powers and roots

In this second part of the series, let’s talk about units based on the viewport also known as "the viewport-percentage length units". A lot of developers know these, but they can create some unexpected behavior, especially in combination with scrollbars and mobile behavior. Based on some articles and videos I picked up on the web from time to time, I'd like to explain some of the common pitfalls when using viewport units.

In this edition of Reality Check, I tackle an interesting grid layout that also features some pretty unique background image treatment.

Animating elements along a custom path has never been easier!

Sometimes, improving your application CSS just takes a one-line upgrade or enhancement! Learn about 12 properties to start incorporating into your projects, and enjoy reducing technical debt, removing JavaScript, and scoring easy wins for user experience.

How to arbitrarily nest themes to any depth

Before the relative color syntax you had to rely on CSS variables or even worse: JavaScript to modify the parameters of a color. Using the from keyword the browser can convert the originating color to different color spaces and change the color properties.

The CSS `border-image` property is one of those properties you undoubtedly know exists but may not have ever reached for. In this article, Temani Afif demonstrates different approaches for using `border-image` to create clever decorative accents and shapes.

(I did a Twitter thread on this a while back, against my better judgment, and now moving to a proper blog.) The hanging-punctuation property in CSS is almost a no-brainer. The classic example is a …

Since the introduction of CSS viewport units in 2012, many of us have been using `width: 100vw` as a way to set an element’s width to the full width of the viewport. But, as Šime Vidas explains in this deep dive, `100vw` does not always represent the full width of the viewport due to differences in how browsers handle scrollbars.

Anchor Positioning is an incoming dynamic addition to enhance the capabilities of CSS positioning.

We’re living in somewhat of a CSS renaissance with new features, techniques, experiments, and ideas coming at us to an extent we haven’t seen since “CSS3”. It’s easy to feel overwhelmed when your profession seems to be advancing at breakneck speed, but Geoff Graham considers the ways “modern” CSS in 2023 has actually made CSS “easier” to write.

CSS container queries are a powerful new tool for our CSS layout toolbox. In this post we'll dive into the practicalities of building a layout with container queries.

New math constants and functions are coming to CSS... now with more remainders and modulo