The Power of :has() in CSS

Hey all you wonderful developers out there! In this post we are going to explore the use of :has() in your next web project. :has() is relatively newish but has gained popularity in the front end community by delivering control over various elements ... more

Some Cross-Browser DevTools Features You Might Not Know

I spend a lot of time in DevTools, and I’m sure you do too. Sometimes I even bounce between them, especially when I’m debugging cross-browser issues. DevTools is a lot like browsers themselves — not all of the features in one browser’s DevTools will ... more

Making Calendars With Accessibility and Internationalization in Mind

Doing a quick search here on CSS-Tricks shows just how many different ways there are to approach calendars. Some show how CSS Grid can create the layout efficiently. Some attempt to bring actual data into the mix. Some rely on a framework to help with ... more

5 Mistakes I Made When Starting My First React Project

You know what it’s like to pick up a new language or framework. Sometimes there’s great documentation to help you find your way through it. But even the best documentation doesn’t cover absolutely everything. And when you work with something that’s new, ... more

Creating a Clock with the New CSS sin() and cos() Trigonometry Functions

CSS trigonometry functions are here! Well, they are if you’re using the latest versions of Firefox and Safari, that is. Having this sort of mathematical power in CSS opens up a whole bunch of possibilities. In this tutorial, I thought we’d dip our toes ... more

Healthcare, Selling Lemons, and the Price of Developer Experience

Every now and then, a one blog post is published and it spurs a reaction or response in others that are, in turn, published as blogs posts, and a theme starts to emerge. That’s what happened this past week and the theme developed around the cost of JavaScript ... more

Moving Backgrounds

We often think of background images as texture or something that provides contrast for legible content — in other words, not really content. If it was content, you’d probably reach for an <img> anyway, accessibility and whatnot. But there are times ... more

Animating CSS Grid (How To + Examples)

I’m pleased to shine a light on the fact that the CSS grid-template-rows and grid-template-columns properties are now animatable in all major web browsers! Well, CSS Grid has technically supported animations for a long time, as it’s baked right into ... more

Getting Started With SvelteKit

SvelteKit is the latest of what I’d call next-gen application frameworks. It, of course, scaffolds an application for you, with the file-based routing, deployment, and server-side rendering that Next has done forever. But SvelteKit also supports nested ... more

More Real-World Uses for :has()

The :has() pseudo-class is, hands-down, my favorite new CSS feature. I know it is for many of you as well, at least those of you who took the State of CSS survey. The ability to write selectors upside down gives us more superpowers I’d never thought ... more

How to Transition to Manifest V3 for Chrome Extensions

While I am not a regular Chrome extension programmer, I have certainly coded enough extensions and have a wide enough web development portfolio to know my way around the task. However, just recently, I had a client reject one of my extensions as I received ... more

:has is an unforgiving selector

A little thing happened on the way to publishing the CSS :has() selector to the ol’ Almanac. I had originally described :has() as a “forgiving” selector, the idea being that anything in its argument is evaluated, even if one or more of the items is invalid. ... more

Thank You (2022 Edition)

You know, this is the time of year where Chris normally publishes a big ol’ reflection of the past year. The first one was published in 2007, the same year CSS-Tricks began, and it continued all the way through 2021 without missing a beat. Having been ... more

2022 Roundup of Web Research

We’ve started making a tradition of rounding up the latest front-end research at the end of each year. We did it in 2020 and again in 2021. Reports are released throughout the year by a bunch of different companies and organizations researching everything ... more

CSS Infinite 3D Sliders

In this series, we’ve been making image sliders with nothing but HTML and CSS. The idea is that we can use the same markup but different CSS to get wildly different results, no matter how many images we toss in. We started with a circular slider that ... more

A Few Times Container Size Queries Would Have Helped Me Out

CSS Container Queries are still gaining traction and many of us are getting our hands wet with them, even if it’s for little experiments or whatnot. They’ve got great, but not quite full, browser support — enough to justify using them in some projects, ... more

The Difference Between Web Sockets, Web Workers, and Service Workers

Web Sockets, Web Workers, Service Workers… these are terms you may have read or overheard. Maybe not all of them, but likely at least one of them. And even if you have a good handle on front-end development, there’s a good chance you need to look up ... more

Some Links About CSS Gradients

Every once in a while, the blogging zeitgiest seems to coalesce around a certain topic and it’s like the saved articles in my bookmarks folder are having a conversation. The conversation sitting in there now is all about CSS Gradients and I thought I’d ... more

Rendering External API Data in WordPress Blocks on the Back End

This is a continuation of my last article about “Rendering External API Data in WordPress Blocks on the Front End”. In that last one, we learned how to take an external API and integrate it with a block that renders the fetched data on the front end ... more

Creating Animated, Clickable Cards With the :has() Relational Pseudo Class

The CSS :has() pseudo class is rolling out in many browsers with Chrome and Safari already fully supporting it. It’s often referred to it as “the parent selector” — as in, we can select style a parent element from a child selector — but there is so much ... more

Is There Too Much CSS Now?

As front-end developers, we’ve wished for a lot of things over the years — ways to center things in CSS, encapsulate styles, set an element’s aspect ratio, get finer-grained control over our colors, select an element based on its children’s properties, ... more

Responsive Animations for Every Screen Size and Device

Before I career jumped into development, I did a bunch of motion graphics work in After Effects. But even with that background, I still found animating on the web pretty baffling. Video graphics are designed within a specific ratio and then exported ... more

Pure CSS Bezier Curve Motion Paths

Are you a Bezier curve lover like I am? CodePen Embed Fallback Besides being elegant, Bezier curves have nice mathematical properties due to their definition and construction. No wonder they are widely used in so many areas: As a drawing/design tool: ... more

Some Things I Took Away From An Event Apart 2022 in Denver

An Event Apart 2022 Denver wrapped up yesterday. And while I was unable to make it to all three days this time, I did catch yesterday’s action — and it was awesome . I’m not very social or outgoing, but this was the first conference I’ve been to in at ... more

A Pure CSS Gallery Focus Effect with :not

Oftentimes in the past, I needed to figure out how to add styles to all elements inside the container but not the hovered one. Demo of the expected “fade-out” effect on siblings to let users “focus” on a particular element. This effect requires selecting ... more

Rendering External API Data in WordPress Blocks on the Front End

There’ve been some new tutorials popping here on CSS-Tricks for working with WordPress blocks. One of them is an introduction to WordPress block development and it’s a good place to learn what blocks are and to register them in WordPress for use in pages ... more

How to Safely Share Your Email Address on a Website

Spammers are a huge deal nowadays. If you want to share your contact information without getting overwhelmed by spam email you need a solution. I run into this problem a few months ago. While I was researching how to solve it, I found different interesting ... more

Using Web Components With Next (or Any SSR Framework)

In my previous post we looked at Shoelace, which is a component library with a full suite of UX components that are beautiful, accessible, and — perhaps unexpectedly — built with Web Components. This means they can be used with any JavaScript framework. ... more

State of CSS 2022 Survey Now Open

The State of CSS survey recently opened up. Last year, the survey confirmed everyone’s assumptions that TailwindCSS is super popular and CSS variables are mainstream. It also codified what many of us want from CSS, from Container Queries to a parent ... more

Introducing Shoelace, a Framework-Independent Component-Based UX Library

This is a post about Shoelace, a component library by Cory LaViska, but with a twist. It defines all your standard UX components: tabs, modals, accordions, auto-completes, and much, much more. They look beautiful out of the box, are accessible, and fully ... more