#css

#css

The CSS if() function introduces real conditional logic to CSS. It allows you to write conditions inline instead of relying on media queries or workarounds : Works with style() , media() , and supports() queries for theming, responsive tweaks, and state-based styling Fits property-level decisions, while media and container queries still handle broader layout changes Supports nested logic and pairs well with calc() for advanced patterns Currently supported only in Chromium browsers, so use progressive enhancement and @supports checks

One important recent next step were container queries: .parent { container-name: parent; container-type: inline-size; } article { flex-direction: row; } @container parent (width < 40rem) { article { flex-direction: column; } } Instead of reacting to viewport size changes, we can react to size changes of HTML elements. With media queries, the whole page was responsive. With container queries, individual user interface elements can be responsive, too.

Introduction Have you heard of the @starting-style at-rule? It's an interesting new tool that lets us use CSS transitions for enter animations. For example, let's suppose we have some UI where elements get added dynamically to the page, and we want them to fade in: When you click the "Add Element" button, a new purple square is generated and added to the page, and a CSS keyframe animation fades it in over 1 second.

CSS typed arithmetic is genuinely exciting! It opens the door to new kinds of layout composition and animation logic we could only hack before. The first time I published something that leaned on typed arithmetic was in this animation: But before we dive into what is happening in there, let's pause and get clear on what typed arithmetic actually is and why it matters for CSS. Browser Support: The CSS feature discussed in this article,

Creating motion can be tricky. Too much and it's distracting. Too little and a design feels flat. Ambient animations are the middle ground - subtle, slow-moving details that add atmosphere without stealing the show. Unlike timeline-based animations, which tell stories across a sequence of events, or interaction animations that are triggered when someone touches something, ambient animations are the kind of passive movements you might not notice at first. But, they make a design look alive in subtle ways.

What I like about Stu's stab at this is that it's an ongoing journey rather than a wholesale switch. In fact, he's out with a new post that pokes specifically at compiling multiple CSS files into a single file. Splitting and organizing styles into separate files is definitely the reason I continue to Sass-ify my work. I love being able to find exactly what I need in a specific file and updating it without having to dig through a monolith of style rules.

Seems like a pretty straightforward thing to answer, right? But like Donnie says, this takes some strategy. Like, say spacing is high on your priority list. Are you going to use margin? padding? Perhaps you're leaning into layout and go with gap as part of a flexbox direction... but then you're committing to display as one of your options. That can quickly eat up your choices!

If you don't know, the light-dark() function takes two color arguments: one for light mode and one for dark mode. Hence, the name light-dark(). It toggles between the two light and dark values based on a user's preferences. Sara Joy has a wonderful article where you can get a much more detailed explanation. The key thing is that the function requires you to use the color-scheme property to activate those two color modes: :root { color-scheme: light dark; } .element { color: light-dark(brown, black); }

Flip Clock is a jQuery plugin for creating a clock & countdown timer that displays information in a digital format on a split flap display. The clock & countdown timer can be fully customized via CSS and full-featured developer API. How to use it: 1. Include required FlipClock CSS in the head section of your page. <link rel="stylesheet" href="/path/to/compiled/flipclock.css" /> 2. Create a container for the clock. <div class="clock"></div> 3. Include jQuery library and the jQuery FlipClock plugin at the bottom of the page. <script src="/path/to/cdn/jquery.min.js"></script> <script src="/path/to/compiled/flipclock.min.js"></script>

If you want to avoid using a pseudo-element or, even worse, children just for decorative purposes, then radial-gradient() seems to be the best solution. Especially in the case where you might need a bunch of such discs, more than the two pseudos available on an element. However, if we do something like this: Where r is the gradient disc radius, then we get jaggies, a step-like effect along the radial-gradient() disc, whereas one created with a pseudo-element has smooth-looking edges!

Centering in CSS is no longer an impossible task. Multiple methods such as flexbox and grid make it easy to achieve both vertical and horizontal centering.

Responsive design is one of the fundamentals you'll be asked about. Building a responsive website means your layout, images, and typography adapt gracefully to any device or screen size.

CSS tricks feel like discovering secret synergies between features, akin to chiseling a sculpture from marble or uncovering fossils, where unexpected pairings achieve the impossible.

Google's guidelines recommend making CSS files crawlable. While CSS has implications for SEO, crawlers typically parse HTML for text content and ignore class names.

I've shared Josh Comeau links many times here and his ability to explain technical matter with incredibly simple and well-built demos is easily the best in the industry.

The issue lies in how relative paths work in HTML. When CSS files are linked using a relative path, they are referenced based on the location of the HTML document in the directory structure. In your case, if the webpage is located in the 'Folder' directory, the browser looks for the CSS files in 'http://Project/Folder/CSS/' but failing due to incorrect pathing leads to a 404 error.