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Nalezeno "element()": 326

How to Get All Custom Properties on a Page in JavaScript

8.6.2020
We can use JavaScript to get the value of a CSS custom property. Robin wrote up a detailed explanation about this in Get a CSS Custom Property Value with JavaScript. To review, let’s say we’ve declared a single custom property on the HTML element: html {   --color-accent: #00eb9b; } In JavaScript...

On fixed elements and backgrounds

3.6.2020
After just playing with apsect-ratio and being pleasantly surprised at how intuitive it is, here’s an example of CSS acting unintuitively: If you have a fixed element on your page, which means it doesn’t move when you scroll, you might realise that it no longer acts fixed if you apply a...

Chrome 83 Form Element Styles

3.6.2020
There have been some aesthetic changes to what form elements look like as of Chrome 83. Anything with gradient colorization is gone (notably the extra-shiny <meter stuff). The consistency across the board is nice, particularly between inputs and textareas. Not a big fan of the new <select...

CSS Tips for New Devs

27.5.2020
Amber Wilson has some CSS Tips for New Devs, like: It’s not a good idea to fix shortcomings in your HTML with CSS. Fix your HTML first! And… You can change CSS right in your browser’s DevTools (to open them, right-click the browser window and choose “inspect”...

Block Links: The Search for a Perfect Solution

25.5.2020
I was reading this article by Chris where he talks about block links — you know, like wrapping an entire card element inside an anchor — being a bad idea. It’s bad accessibility because of how it affects screen readers. And it’s bad UX because it prevents simple user tasks, like selecting text. But...

A “new direction” in the struggle against rightward scrolling

21.5.2020
You know those times you get a horizontal scrollbar when accidentally placing an element off the right edge of the browser window? It might be a menu that slides in or the like. Sometimes we to overflow-x: hidden; on the body to fix that, but that can sometimes wreck stuff like position:...

CSS fix for 100vh in mobile WebKit

15.5.2020
A surprisingly common response when asking people about things they’d fix about anything in CSS, is to improve the handling of viewport units. One thing that comes up often is how they relate to scrollbars. For example, if an element is sized to 100vw and stretches edge-to-edge, that’s...

Pseudo-elements in the Web Animations API

14.5.2020
To use the Web Animations API (e.g. el.animate()) you need a reference to a DOM element to target. So, how do you use it on pseudo-elements, which don’t really offer a direct reference? Dan Wilson covers a (newish?) part of the API itself: const logo...

Using CSS Masks to Create Jagged Edges

12.5.2020
I was working on a project that had this neat jagged edge along the bottom of a banner image. Looking sharp… in more ways than one. It’s something that made me think for a second and I learned something in the process! I thought I’d write up how I approached it so you can use it on your...

Turning a Fixed-Size Object into a Responsive Element

11.5.2020
I was in a situation recently where I wanted to show an iPhone on a website. I wanted users to be able to interact with an application demo on this “mock” phone, so it had to be rendered in CSS, not an image. I found a great library called marvelapp/devices.css. The library implemented the device...

`lh` and `rlh` units

5.5.2020
There’s some new units I was totally unaware of from the Level 4 spec for CSS values! The lh unit is “equal to the computed value of line-height” and rlh is the same only of the root element (probably the <html> element) rather than the current element. Why would that...

Playing With (Fake) Container Queries With watched-box & resizeasaurus

5.5.2020
Heydon’s <watched-box> is a damn fantastic tool. It’s a custom element that essentially does container queries by way of class names that get added to the box based on size breakpoints that are calculated with ResizeObserver. It’s like a cleaner version of what Philip...

Click Once, Select All; Click Again, Select Normally

29.4.2020
A bonafide CSS trick from Will Boyd! Force all the content of an element to be selected when clicked with user-select: all; If you click a second time, let the user select just parts of the text as normal. Second click? Well, it’s a trick. You’re really using a time-delayed...

Different Approaches to Responsive CSS Motion Path

24.4.2020
As a follow-up to Jhey’s recent post on responsive motion paths, Michelle Barker notes that another approach could be to just transform: scale() the whole dang element. The trade-off there is that you’re scaling both the path and the element on the path at the same time; Jhey’s...

CSS Scrollbar With Progress Meter

15.4.2020
Scrollbars are natural progress meters. How far the scrollbar is down or across is how much progress has been made scrolling through that element (often the entire page). But, they are more like progress indicators than meters, if you think of a meter as something that “fills up” as...

Create a Responsive CSS Motion Path? Sure We Can!

15.4.2020
There was a discussion recently on the Animation at Work Slack: how could you make a CSS motion path responsive? What techniques would be work? This got me thinking. A CSS motion path allows us to animate elements along custom user-defined paths. Those paths follow the same structure as SVG paths....

CSS Findings From The New Facebook Design

7.4.2020
Ahmad Shadeed digs around the new Facebook’s front-end code. One that stood out to me: .element { inset: 4px 0; /* Which is equivalent to: top: 4px, bottom: 4px, left: 0, right: 0 */ } Whaaat? This is the first I’ve heard of the inset property. Ahmad said he saw it working...

How to Repeat Text as a Background Image in CSS Using element()

26.3.2020
There’s a design trend I’ve seen popping up all over the place. Maybe you’ve seen it too. It’s this sort of thing where text is repeated over and over. A good example is the price comparison website, GoCompare, who used it in a major multi-channel advertising campaign. Nike has used it as well...

Value Bubbles for Range Inputs

26.3.2020
HTML5 range inputs, in supported browsers and by design, don't show the user the actual value they are submitting. If you want to use the cool slider, but show the value, you'll have to do that yourself. Here we use the output element and jQuery to show the current value in a bubble that hovers...

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