AVIF (AV1 Image File Format) is a modern image file format specification for storing images that offer a much more significant file reduction when compared to other formats like JPG, JPEG, PNG, and WebP. Version 1.0.0 of the AVIF specification was finalized in February 2019 and released by Alliance for Open Media to the public. In this article, you will learn about some browser-based tools and com
In the 15 or so years since I started making WordPress websites, nothing has had more of an impact on my productivity — and my ability to enjoy front-end development — than adding Tailwind CSS to my workflow (and it isn’t close). When I began working with Tailwind, there was an up-to-date, first-party repository on GitHub describing how to use Tailwind with WordPress. That repository hasn’t been u
Say Hello to selectmenu, a Fully Style-able select Element I want to introduce you to a new, experimental form control called <selectmenu>. We’ll get deep into it, including how much easier it is to style than a traditional <select> element. But first, let’s fill in some context about why something like <selectmenu> is needed in the first place, as it’s still evolving and in development. Ask any w
Thierry Blancpain is a brand and interaction designer at Informal Inquiry in New York City and co-founder of Grilli Type, a Swiss type foundry. While this article is generally applicable to all web fonts, Grilli Type fonts are used throughout as examples of the concepts, particularly those demonstrating OpenType features. Using your own fonts instead of system fonts is getting easier, but it’s sti
How Do You Handle Component Spacing in a Design System? Say you’ve got a <Card /> component. It’s highly likely it shouldn’t be butted right up against any other components with no spacing around it. That’s true for… pretty much every component. So, how do you handle component spacing in a design system? Do you apply spacing using margin directly on the <Card />? Perhaps margin-block-end: 1rem; ma
2021 → 2022 We asked web builders that we admire the same question... Thanks to our major sponsors in 2021. They are a big part of making this site possible. Automattic Makers of Jetpack, WooCommerce, WordPress.com, and many other great software products we use. Frontend Masters The best front-end engineering courses out there to advance your skills. Take two minutes right now and visit your curre
There is now a polyfill for Container Queries that behaves as perfectly as a polyfill should: You conditionally load it when you detect the browser doesn’t support Container Queries.You write CSS as you normally would, including current-spec-compliant Container Queries syntax code.It just works. It’s pretty great to have a container query polyfill that is this easy to use and from Chrome itself, t
Upon hearing “sticky footer” these days, I would think most people imagine a position: sticky situation where a footer element appears fixed on the screen while in the scrolling context of some parent element. That’s not quite what I’m talking about here. “Sticky footers” were a UI concept before position: sticky existed and they mean something slightly different. The idea is that they stick to th
Scroll-Linked Animations With the Web Animations API (WAAPI) and ScrollTimeline The Scroll-linked Animations specification is an upcoming and experimental addition that allows us to link animation-progress to scroll-progress: as you scroll up and down a scroll container, a linked animation also advances or rewinds accordingly. We covered some use cases in a previous piece here on CSS-Tricks, all d
Chrome is experimenting with @container, a property within the CSS Working Group Containment Level 3 spec being championed by Miriam Suzanne of Oddbird, and a group of engineers across the web platform. @container brings us the ability to style elements based on the size of their parent container. The @container API is not stable, and is subject to syntax changes. If you try it out on your own, yo
I saw in the release notes for Safari Technical Preview 122 that it has support for a color-contrast() function in CSS. Safari is first out of the gate here. As far as I know, no other browser supports this yet and I have no idea when stable Safari will ship it, or if any other browser ever will. But! It’s a very good idea! Any native tool to get us to ship more accessible interfaces (of which col
Can We Create a “Resize Hack” With Container Queries? If you follow new developments in CSS, you’ve likely heard of the impending arrival of container queries. We’re going to look at the basics here, but if you’d like another look, check out Una’s “Next Gen CSS: @container” article. After we have a poke at the basics ourselves, we’re going to build something super fun with them: a fresh take on th
Intrinsic Typography is the Future of Styling Text on the Web The way we style text hasn’t changed much over the years. There have been numerous advancements to help make things more flexible, like layouts, but in terms of styling, most finite aspects of our designs, like text, remain relatively unchanged. This is especially true of text styling. We write code to style text explicitly for every po
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