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The Twelfth Fourth

4.7.2019
CSS-Tricks is 12 years old! Firmly into that Early Adolescence stage, I'd say ;) As we do each year, let's reflect upon the past year. I'd better have something to say, right? Otherwise, John Prine would get mad at me. How the hell can a person go to work in the morning And come home in...

Making width and flexible items play nice together

1.7.2019
The short answer: flex-shrink and flex-basis are probably what you’re lookin’ for. The long answer Let’s say you want to align an image and some text next to each other with like this: Now let's say you reach for flexbox to make it happen. Setting the parent element to display: flex; is a good...

Different Approaches for Creating a Staggered Animation

27.6.2019
Animating elements, at its most basic, is fairly straightforward. Define the keyframes. Name the animation. Call it on an element. But sometimes we need something a little more complex to get the right “feel" for the way things move. For example, a sound equalizer might use the same animation...

Different Approaches for Creating a Staggered Animation

27.6.2019
Animating elements, at its most basic, is fairly straightforward. Define the keyframes. Name the animation. Call it on an element. But sometimes we need something a little more complex to get the right “feel" for the way things move. For example, a sound equalizer might use the same animation...

Movin’ Modals Along a Path

4.6.2019
Modals always be just appearin'. You might see one once in a while that slides in from one of the edges, or uses some kind of scale/opacity thing to appear from "above" or "below." But we can get weirder than that. Why not have them come in on an offset-path? Just a swoopy arc is kinda fun. ...

Prevent Page Scrolling When a Modal is Open

3.6.2019
Please stop me if you've heard this one before. You open a modal, scroll through it, close it, and wind up somewhere else on the page than you were when you opened the modal. That's because modals are elements on a page just like any other. It may stay in place (assuming that's what it's meant...

Change Color of SVG on Hover

13.5.2019
There are a lot of different ways to use SVG. Depending on which way, the tactic for recoloring that SVG in different states or conditions — :hover, :active, :focus, class name change, etc. — is different. Let's look at the ways. Inline SVG Inline SVG is my favorite way to use...

Getting To Know The MutationObserver API

8.5.2019
MutationObserver watches the DOM, specifically the places you tell it to, like: document.querySelector('#watch-this'); ...and it can tell you (trigger a callback) when stuff happens — like when a child is added, removed, changed, or a number of other things. I used it just the other day...

Simulating Mouse Movement

15.4.2019
If you've ever had to display an interactive animation during a live talk or a class, then you may know that it's not always easy to interact with your slides and while talking. This happened to me when I needed to show this particles demo to my students. I didn't want to have to stay next to...

Creating a Custom Element from Scratch

20.3.2019
In the last article, we got our hands dirty with Web Components by creating an HTML template that is in the document but not rendered until we need it. Next up, we’re going to continue our quest to create a custom element version of the dialog component below which currently only uses...

CSS Triangles, Multiple Ways

5.3.2019
I like Adam Laki's Quick Tip: CSS Triangles because it covers that ubiquitous fact about front-end techniques: there are always many ways to do the same thing. In this case, drawing a triangle can be done: with border and a collapsed element with clip-path: polygon() with transform: rotate()...

Control Icons with Font Size

27.2.2019
Here’s a nifty trick from Andy Bell that now seems a little obvious in hindsight: if you set an SVG to have a width and height of 1em then you can change the size of it with the font-size property. Try and change the font-size on the body element below to see the icon scale with the text: ...

Dealing with overflow and position: sticky;

25.2.2019
Any overflow value other than visible and no height is the enemy of child elements with position: sticky;. It's like that element is ready to stick when the parent scrolls, but it never does because the height is unconstrained. Adding a fixed height can solve the issue, but that's not always...

Diana Smith’s Top 5 CSS Properties She Uses to Produce CSS Art

20.2.2019
Have you seen Diana Smith's CSS drawings? Stunning. These far transcend the CSS drawings that sort of crudely replicate a flat SVG scene, like I might attempt. We were lucky enough for her to post some of her CSS drawing techniques here last year. Well, Diana has also listed the top five...

Slide an Image to Reveal Text with CSS Animations

29.1.2019
I want to take a closer look at the CSS animation property and walk through an effect that I used on my own portfolio website: making text appear from behind a moving object. Here’s an isolated example if you’d like to see the final product. Here’s what we're going to work with: See the...

CSS Ellipsis Beginning of String

18.12.2018
I was incredibly happy when CSS text-overflow: ellipsis (married with fixed width and overflow: hidden was introduced to the CSS spec and browsers; the feature allowed us to stop trying to marry JavaScript width calculation with string width calculation and truncation.  CSS ellipsis was also very...

What does Stack Overflow want to be when it grows up?

22.10.2018
I sometimes get asked by regular people in the actual real world what it is that I do for a living, and here's my 15 second answer: We built a sort of Wikipedia website for computer programmers to post questions and answers. It's called Stack Overflow. As of last month

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