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Put a Background on Open Details Elements
11.6.2021
One thing that can be just a smidge funky about the <details> element is that, when open, it’s not always 100% clear what is inside that element and what isn’t. I’m not saying that always matters or that it’s a …
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Equal Columns With Flexbox: It’s More Complicated Than You Might Think
10.6.2021
As awesome as flexbox is, what it’s doing under the hood is actually a little strange because, by default, it is doing two things at once. It first looks at the content size which is what we would get if by declaring width: max-content on an element. But on top of that, flex-shrink is also doing...
fit-content and fit-content()
20.5.2021
Here’s some hardcore deep-dive CSS nerdery from PPK. If you can wrap your mind around min-content (the smallest an element can be based on the content it contains) and max-content (the largest the content of an element can push it) …
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The Humble `img` Element And Core Web Vitals
18.5.2021
Addy Osmani on images in HTML:
The humble <img> element has gained some superpowers over the years. Given how central it is to image optimization on the web, let’s catch up on what it can do and how it can
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Custom State Pseudo-Classes in Chrome
6.5.2021
There is an increasing number of “custom” features on the web platform. We have custom properties (--my-property), custom elements (<my-element>), and custom events (new CustomEvent('myEvent')). At one point, we might even get custom media …
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Creating Colorful, Smart Shadows
4.5.2021
A bona fide CSS trick from Kirupa Chinnathambi here. To match a colored shadow with the colors in the background-image of an element, you inherit the background in a pseudo-element, kick it behind the original, then blur and filter it. …
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Web Languages as Compile Targets
30.4.2021
Jim Nielsen quoting Eric Bailey:
He references an example on Twitter where someone noted you can use the <details> element to “create a native HTML accordion,” to which someone responded: “this works without Bootstrap? 🤯”
What’s the problem here? From
…
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Shared Element Transitions
27.4.2021
I was just Hoping for Better Native Page Transitions, and Bramus commented that Chrome is working on something. Looks like it has some fresh enthusiasm for it, as there is a brand new repo, and you can literally …
The post Shared Element Transitions appeared first on CSS-Tricks.
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The Making (and Potential Benefits) of a CSS Font
22.4.2021
Not a typical one, at least. Each character is an HTML element, built with CSS. A true web font!
Let me elaborate. This is a way to render text without using any font at all. Random text is split with …
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Float an Element to the Bottom Corner
19.4.2021
Need to lay out an element to the right or the left, such that text wraps around it? That’s an easy task for the float property. But what about if you also want to push that element (let’s call it …
The post Float an Element to the Bottom Corner appeared first on CSS-Tricks.
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How to Leverage the Fullscreen API… and Style It
12.4.2021
Let’s look at the Fullscreen API in JavaScript. It allows you to do a pretty powerful thing: full screening exactly one particular element you want it to. Not only that, but CSS can help as well with a special selector.…
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Detect CSS Overflow Elements
8.4.2021
Every once in a while you encounter a CSS annoyance that takes some cleverness to discover. One such case rears its ugly head in unwanted and unexpected scrollbars. When I see unwanted scrollbars, I usually open developer tools, click the element inspector, and hover around until I find...
How to describe element’s natural sizing behavior
26.3.2021
PPK:
When introducing width and height I explain that by default width takes as much horizontal space as it can, while height takes as little vertical space as possible. This leads to a discussion of these two opposed models
…
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How to describe element’s natural sizing behavior
26.3.2021
PPK:
When introducing width and height I explain that by default width takes as much horizontal space as it can, while height takes as little vertical space as possible. This leads to a discussion of these two opposed models
…
The post How to describe element’s natural sizing...
Interactive Web Components Are Easier Than You Think
25.3.2021
In my last article, we saw that web components aren’t as scary as they seem. We looked at a super simple setup and made a zombie dating service profile, complete with a custom <zombie-profile> element. We reused the element …
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Image Fragmentation Effect With CSS Masks and Custom Properties
23.3.2021
Geoff shared this idea of a checkerboard where the tiles disappear one-by-one to reveal an image. In it, an element has a background image, then a CSS Grid layout holds the “tiles” that go from a filled background color to …
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It’s always the stacking context.
22.3.2021
In “What the heck, z-index??,” Josh Comeau makes the analogy of layer groups in design software like Photoshop or Figma to stacking contexts in CSS. If you’ve got an element in a layer group A in Photoshop that …
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How to Animate the Details Element
2.3.2021
Here’s a nice simple demo from Moritz Gießmann on animating the triangle of a <details> element, which is the affordance that tells people this thing can be opened. Animating it, then is another kind of affordance that tells people …
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How to Map Mouse Position in CSS
1.3.2021
Let’s look at how to get the user’s mouse position and map it into CSS custom properties: --positionX and --positionY.
We could do this in JavaScript. If we did, we could do things like make make an element …
The post How to Map Mouse Position in CSS appeared first on CSS-Tricks.
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Weekly Platform News: Reduced Motion, CORS, WhiteHouse.gov, popups, and 100vw
26.2.2021
In this week’s roundup, we highlight a proposal for a new <popup> element, check the use of prefers-reduced-motion on award-winning sites, learn how to opt into cross-origin isolation, see how WhiteHouse.gov approaches accessibility, and warn the dangers of 100vh.…
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