Articles in "css"

In this second part of my customizable select series, I’d like to highlight one feature from Interop 2025 that works beautifully with this feature: anchor positioning. This article contains one of my first demos ever created when styling the select and has evolved with every new syntax and iteration across the months / years. We'll also be takinga glimpse at a few experimental features, but the basis of this can be used today. Let’s take a look at my potion selector with CSS.

Read moreabout The customizable select - Part two: Potions, anchoring, and radial shenanigans in CSS

It’s been a few years since the Interop initiative was set in play. This has historically been one of the key elements in moving the web forward as it aims for a consistent web between browser vendors. In contrast to the “old days browser wars”, we as developers get streamlined features without having to check everything in every browser. The features of Interop 2025 are now known, features to be made stable across browsers by the end of the year. In this article, we’ll take a look at what we should get acquainted with in 2025.

Read more about Interop 2025 - Which browser features to get acquainted with this year and why you should care (iO tech_hub)

The customizable select has entered Chrome 134, allowing us to style this form element to our hearts' content. I decided to write a series about this feature because there are so many cool things we can do with CSS these days to create some really unique and fun experiences. In this first article of the series, I want to talk a bit about the history, while also giving an in-depth guide on how you can start creating your first customizable select as a progressive enhancement, today.

Read moreabout The customizable select - Part one: history, trickery, and styling the select with CSS

It’s Valentine's Day! As usual, I want to write about something I love, and this time it’s still highly experimental but something I am extremely excited about. Something new is on the horizon named CSS scroll-markers and it allows you to create a fully functional slider without the need of any JavaScript. Don’t believe me? Let’s take a look, shall we? Here is my first impression of creating a carousel with only CSS and some accessibility concerns as well.

Read moreabout Love at first slide! Creating a carousel purely out of CSS

It’s not always the big features that make our everyday lives easier; sometimes, it’s those ease-of-life features that truly enhance our projects. In this article, I want to highlight two such features: @starting-style and transition-behavior — two properties that are absolutely welcome additions to your everyday work with CSS animations.

Read more about Transitioning Top-Layer Entries And The Display Property In CSS (Smashing Magazine)

The year was 2018, and we were still trying to cope with IE11 and had to find some ways for certain effects. Things that we take for granted with CSS nowadays were not possible and one of the solutions to create awesome effects on the web was using SVG Filters. Fast forward to 2025, SVG filters are still awesome, but I use them less. In this article, I wanted to revisit them, with some easy-to-use effects we can use today.

Read moreabout Revisiting SVG filters - my forgotten powerhouse for duotones, noise, and other effects

Every year, I create a little demo right before the holidays as a CSS greeting card. This year is no different. To celebrate the end of the year and all those new amazing features that came into CSS, I decided to let myself go a little with new CSS techniques. A sort of recap of things I learned and put them in one little CodePen. This time, I’m combining scroll-driven animations, anchoring, and @property in CSS.

Read moreabout Stylish holidays! Creating a scroll-driven Christmas tree in CSS

How can I animate from 0 to auto? I have a fixed width and want it to transition to the width set by its children. How do I do that? These CSS questions have been asked many times on platforms such as Stackoverflow, and I’ve certainly done some searching for those exact questions. I can’t count the number of max-width hacks or JavaScript solutions I’ve used to transition from 0 to auto. No more! I’m done, and for now, I’m going full progressive enhancement. In this article, I’d like to cover some of the benefits you get from adding the new interpolate-size property in your CSS Reset.

Read moreabout Added to my CSS reset: interpolate-size, the quality-of-life feature we all wanted at some point

Oh, how I wanted to write this title for some time! I have Googled these questions before when working with sticky positioning and scroll snapping. It looks like we are finally getting an answer to these questions in the form of CSS state queries and I have been eagerly waiting to play around with this since CSS Day 2023. In this article, I want to show a few first impressions and demos I created with state queries in CSS and Scroll Snap events in JavaScript.

Read moreabout Is the sticky thing stuck? Is the snappy item snapped? A look at state queries in CSS

The CSS Working Group (CSSWG) has recently introduced changes to the anchor positioning spec in CSS. I've focused on anchoring in previous articles and to maintain accuracy, I will be updating an older article (just this once). This article will highlight the specific name changes and their corresponding Chrome release dates.

Read moreabout A spec update on CSS anchor positioning

Have you ever wondered what happened after CSS3? The W3C CSS-Next community group is actively searching for better approaches for how we describe the evolution of CSS over time and identify feature sets as effectively as we did with CSS3 way back in 2009 — and you can help.

Read more about It’s Time To Talk About “CSS5” (Smashing Magazine)

One thing I’ve learned over the last year is to deal with changes in explainers and specs and that naming things is hard. In this update on Invokers, I will cover the new syntax and the new name: Invoker Commands. Once again giving you some control over interaction with HTML from opening dialog elements to creating custom counter buttons and video controls.

Read moreabout An update on invokers: Invoker commands in HTML

Another year, another CSS Day. I’m always happy to return to Amsterdam for this occasion, It’s one of the things I look forward to every year. So naturally, I’m happy that iO still allowed me to go there with my training budget, and the least I could do, is write a summary of this event on the tech_hub.

Read more about This was CSS Day 2024 - the 10th edition (iO tech_hub)

The CSS anchoring API is something that I’ve been following for at least a year now, and I’m happy to see that the first level is fully specced. Even though there are still some shortcomings that I’ll cover in this article as well, the available things look pretty solid and will help us a lot in creating some complex layout structures. Besides that, they are very much needed for the future of the HTML Popover API and stylable selects.

Read moreabout Let’s hang! An intro to CSS Anchor Positioning with basic examples

It’s easy to get lost in a sea of CSS frameworks and libraries, each promising easier styling and smoother layouts. But amidst this abundance, the modern CSS features we have today offer simpler and more flexible approaches without the added dependencies or abstractions. In this article, I demonstrate four CSS utility classes (plus a bonus) using techniques that allow them to be used practically anywhere you need a particular layout — be it Grid or Flexbox — with configurable options.

Read more about Modern CSS Layouts: You Might Not Need A Framework For That (Smashing Magazine)

Wouldn’t it be cool if we could click on a button to open a modal with just HTML? How about those file input elements? Imagine that creating a custom play button for video controls would be an easy thing to do. How about custom counter buttons for a number input? This is where the idea of invokers comes in. It’s currently available behind a flag to play around with and it’s definitely one of the most exciting advances in HTML to look out for.

Read moreabout Invoking elements by using only HTML: A first look at invokers

While experimenting with CSS, you sometimes discover a technique you want to do more of. This is one of those discoveries for me... I love how we can now animate clip paths on scroll with CSS. From animating an image into a star to creating Polaroid-like images on scroll. In this article, I’d like to demo some techniques we can use to create these interesting effects using clip paths, @property, and even container units to create visually pleasing scroll-driven animations.

Read moreabout Animating clip paths on scroll with @property in CSS

There are a lot of CSS units available at the moment and we mostly still rely on pixels and (r)ems for our sizing and fonts. I say it’s time to do a little freshening up. In this mini-series I will be going around all the current length units in CSS with practical examples.

Read more about Going beyond pixels and (r)ems in CSS (iO tech_hub)

Browser support for @property nears completion, a great time to delve into some technical aspects of this CSS feature. While I've experimented with @property in demo settings before, I’ve never used it in a production environment. With the upcoming full browser support, let’s take a look at the inner workings and uncover some of the benefits.

Read moreabout Taking a closer look at @property in CSS

Have you run into a situation where you need the padding of one element to align with the padding of another element? It’s a common debacle, especially when a page layout is set with global padding? In this article I demonstrate that issue with a full-width slider component that breaks out of the main page container using a couple of techniques to keep it visually aligned with other elements on the page.

Read more about CSS Scroll Snapping Aligned With Global Page Layout: A Full-Width Slider Case Study (Smashing Magazine)