Defensive CSS
I spent years teaching CSS layout on this blog. I put everything I know into The Layout Maestro course: 70+ lessons and 150+ interactive examples that teach you how to think CSS layouts, not just memorize syntax. 👋 This article has been expanded into a new project called Defensive CSS. Due to the fact that the content here will not be updated, I recommend you to read defensivecss.dev instead. Oft
I spent years teaching CSS layout on this blog. I put everything I know into The Layout Maestro course: 70+ lessons and 150+ interactive examples that teach you how to think CSS layouts, not just memorize syntax. Each time I work on a component that needs absolute positioning, I ask myself: is it really necessary? I started to notice a few use-cases where using position: absolute isn’t needed. I f
WebKit Features in Safari 17.0
Sep 18, 2023 by Jen Simmons and the Safari / WebKit Team Today’s the day for Safari 17.0. It’s now available for iOS 17 and iPadOS 17. [Update September 26th] And now, Safari 17.0 is available for macOS Ventura, and macOS Monterey, and macOS Sonoma. Safari 17.0 is also available in the vision OS Simulator, where you can test your website by downloading the latest beta of Xcode 15, which supports t
Debugging in CSS means figuring out what might be the problem when you have unexpected layout results. Today, Stephanie Eckles will look at a few categories bugs often fit into, see how you can evaluate the situation, and explore techniques that help prevent these bugs. We’ve all been there, at the end of completing CSS for a layout and — what’s that? Ah! An extra scrollbar! Or maybe an element is
Conditional CSS
Do you want to master CSS layouts? I'm building a new course. Learn more I like to think of CSS as a conditional design language. Over the years, CSS was known as a way to style web pages. Now, however, CSS has evolved a lot to the point you can see conditional rules. The interesting bit is that those CSS rules aren’t direct (i.e: there is still no if/else in CSS), but the way features in CSS work
Responsive Design Today Today, when using the term: "responsive design", you are most likely thinking about using media queries to change layout when resizing a design from mobile size, to tablet size, through to desktop size. But soon, this perception of responsive design may be considered as outdated as using tables for page layout. Viewport-based media queries give you some powerful tools, but
ContentsThe basics of how to use :has() as a parent selectorA practical example using :has() with CSS GridUsing :has() with the child combinatorUsing :has() with sibling combinatorsStyling form states without JSDark mode toggle with no JSAnd moreThe :has() revolution It’s been a long-standing dream of front-end developers to have a way to apply CSS to an element based on what’s happening inside th
Jun 9, 2025 by Jen Simmons, Saron Yitbarek, Jon Davis, Richard Robinson, Eddy Wong, Brandel Zachernuk, Marcos Cáceres, Tim Nguyen, Daniel Liu, Razvan Caliman, Blaze Burg, Qianlang Chen, Brian Weinstein, Aditya Keerthi, Karl Dubost, David Johnson, Luming Yin ContentsSVG IconsEvery site can be a web app on iOS and iPadOSHDR ImagesWebKit in SwiftUI<model> on visionOSImmersive video and audio on visio
The CSS behind Figma
Do you want to master CSS layouts? I'm building a new course. Learn more While learning how to build a Figma plugin, I stumbled upon a few interesting usages of Flexbox and Grid in Figma. When I found them, I just got distracted and couldn’t resist digging more. Flexbox and Grid have been providing us web developers with lots of new capabilities to build new layouts, and what I will show you in th
Do you want to master CSS layouts? I'm building a new course. Learn more Have you often thought about whether to implement a mobile-first or a desktop-first approach? Recently, I shared a Twitter poll about how many uses mobile-first vs desktop-first, and the results were interesting. The total number of votes is 648, and here are the stats: Mobile-first: 33.3% Desktop first: 21.9% Mix of both: 24
Get affordable and hassle-free WordPress hosting plans with Cloudways — start your free trial today. 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.
Do you want to master CSS layouts? I'm building a new course. Learn more A few weeks ago, Adobe released a web version of Photoshop that is built with the web technologies like WebAssembly, web components, P3 colors, and a lot more. Photoshop was the first professional design app that I learned when I was 14 years old. It was one of the reasons that I became a designer, and eventually a front-end
Do you want to master CSS layouts? I'm building a new course. Learn more Looking at a layout at first glance might imply that it’s easy and straightforward to build. The moment you start building the initial layout, you will face challenges that you didn’t think about in your initial look at the design. In this article, I will rethink how to build the featured news section on Vox.com and try to se
WebKit Features for Safari 26.2
Safari 26.2 is a big release. Packed with 62 new features, this release aims to make your life as a web developer easier by replacing long-standing frustrations with elegant solutions. You’ll find simpler ways to create common UI patterns with just a few lines of HTML or CSS, and no JavaScript — like auto-growing text fields with CSS field-sizing, and buttons that open/close dialogs and popovers w
Recently, customers who have purchased a copy of ONCE/Campfire were invited to participate in a live walk through the app’s CSS code. Campfire was built with vanilla CSS, fully #nobuild without compiling or preprocessors, and uses the latest web platform features available in evergreen browsers—CSS nesting, :has(), :is(), and :where(); wide-gamut colors, View Transitions and more. In this post we’
What's New In DevTools (Chrome 98) | Blog | Chrome for Developers
Preview feature: Full-page accessibility tree The new Full-page accessibility tree makes it easier for you to get an overview of the full-page accessibility tree and help you better understand how your web content is exposed to assistive technology. In the Elements panel, open the Accessibility pane and select Enable full-page accessibility tree checkbox. Then, reload DevTools and you will see a n
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
Try Mastering Emacs for free! Are you struggling with the basics? Have you mastered movement and editing yet? When you have read Mastering Emacs you will understand Emacs. It’s that time again: there’s a new major version of Emacs and, with it, a treasure trove of new features and changes. Notable features include the formal inclusion of native compilation, a technique that will greatly speed up y
Do you want to master CSS layouts? I'm building a new course. Learn more When you think about building fluid layouts these days isn’t about having fixed-width breakpoints anymore. Instead, the layouts we build today need to work on nearly any device size. To my surprise, I still see websites follow the adaptive design pattern, where it has a container that gets a new max-width value as per the vie
Do you want to master CSS layouts? I'm building a new course. Learn more As a part of my curious UI inspection, I thought about why not to look at popular websites and see how they implemented the comment component layout. At first, I thought this will be an easy task, but it wasn’t. I spent a lot of time trying to understand how this works and how we can do it better with modern CSS like :has, si
WebKit Features in Safari 26.0
Sep 15, 2025 by Jen Simmons, Saron Yitbarek, Jon Davis, Tim Nguyen, Blaze Burg, Marcos Cáceres, Razvan Caliman, Qianlang Chen, Karl Dubost, Kiet Ho, David Johnson, Aditya Keerthi, Daniel Liu, Keith Miller, Abrar Rahman Protyasha, Richard Robinson, Kiara Rose, Ahmad Saleem, Anne van Kesteren, Brian Weinstein, Eddy Wong, Luming Yin, Brandel Zachernuk ContentsCSSEvery site can be a web app on iOS and
Migrating to v5
Track and review changes to the Bootstrap source files, documentation, and components to help you migrate from v4 to v5. Dependencies Dropped jQuery. Upgraded from Popper v1.x to Popper v2.x. Replaced Libsass with Dart Sass as our Sass compiler given Libsass was deprecated. Migrated from Jekyll to Hugo for building our documentation Browser support Dropped Internet Explorer 10 and 11 Dropped Micro
JupyterLab Changelog — JupyterLab 4.6.0a1 documentation
JupyterLab Changelog# v4.5# JupyterLab 4.5 includes a number of new features (described below), bug fixes, and enhancements. This release is compatible with extensions supporting JupyterLab 4.0. Extension authors are encouraged to consult the Extension Migration Guide which lists deprecations and changes to the public API. Performance and windowing# The default windowing mode is now contentVisibil
CSS Grid tooling in DevTools | Blog | Chrome for Developers
Why did we make CSS Grid Tooling? CSS Grid is a very powerful CSS layout system that allows web developers to build a complex two-dimensional layout and set out rules about how each and every child item in a grid is sized, aligned, and ordered. CSS Grid was introduced after Flexbox became popular, and together, they can help developers achieve better responsive design without complicated alignment
How To Build A Magazine Layout With CSS Grid Areas — Smashing Magazine
Web development, especially what you can do with CSS, has become increasingly complex. With the added capabilities of CSS Grid, it is now possible to achieve layouts that look like they were laid out by hand. Let’s tackle a practical example of how to do something like that. In this article, I want to talk about the amazing possibilities of a CSS grid and how it allows for complex layouts that are
Learn CRUD Operations in JavaScript by Building TODO APP
Today we're gonna learn how to do CRUD Operations in JavaScript by making a Todo App. Let's get started 🔥 This is the app we're making today: Live preview GitHub Repository You can watch this tutorial on YouTube as well if you like 🎥 Table of Contents What is CRUD? Understanding CRUD Principles How to Make a To-Do App using CRUD Operations What is CRUD? CRUD stands for - C: Create R: Read U: Upd
I spent years teaching CSS layout on this blog. I put everything I know into The Layout Maestro course: 70+ lessons and 150+ interactive examples that teach you how to think CSS layouts, not just memorize syntax. In this new article about my rebuilding a layout, I’m exploring TechCrunch. I had a quick look at it and thought it would be interesting to dive in and see how modern CSS can make things
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Less Absolute Positioning With Modern CSS
A Guide To CSS Debugging — Smashing Magazine
The new responsive: Web design in a component-driven world | Articles | web.dev
Using :has() as a CSS Parent Selector and much more
News from WWDC25: WebKit in Safari 26 beta
The State Of Mobile First and Desktop First
Next Gen CSS: @container | CSS-Tricks
CSS Findings From Photoshop Web Version
Rebuilding a featured news section with modern CSS: Vox news
Modern CSS patterns in Campfire
The selectmenu HTML Tag | CSS-Tricks
What's New in Emacs 28.1?
The Guide To Responsive Design In 2023 and Beyond
Rebuilding a comment component with modern CSS
Case Study: Rebuilding TechCrunch layout with modern CSS