Articles Tagged

custom properties

Imagine you have an element with a multi-value CSS property, such as transform: optional custom property values:

.el {
  transform: translate(100px) scale(1.5) skew(5deg);
}

Now imagine you don’t always want all the transform values to be applied, so some …

You know how you can get cardboard boxes that come totally flat? You fold ‘em up and tape ‘em to make them into a useful box. Then when it’s time to recycle them, you cut them back apart to flatten …

If you’re disciplined and make use of the inheritance that the CSS cascade provides, you’ll end up writing less CSS. But because our styles often comes from all kinds of sources — and can be a pain to structure and …

Good friend Kent C. Dodds has recently dropped his new website which had a lot of work go into it. I was fortunate enough that Kent reached out a while back and asked if I could come up with some …

One way to work with Custom Properties is to think of them as design tokens. Colors, spacings, fonts, and whatnot. You set them at the root of the page and use them throughout your CSS. Very useful, and the classic …

I’ve seen this confuse more than a handful of people recently, including myself, so I’m making sure it’s written down.…

I recently wrote a very basic Sass loop that outputs several padding and margin utility classes. Nothing fancy, really, just a Sass map with 11 spacing values, looped over to create classes for both padding and margin on each side. …

For quite a while now, the CSS spec has included a lot of really useful mathematical functions, such as trigonometric functions (sin(), cos(), tan(), asin(), acos(), atan(), atan2()), exponential functions (…

Let’s build a fully functioning and settable “analog” clock with CSS custom properties and the calc() function. Then we’ll convert it into a “digital” clock as well. All this with no JavaScript!…

Normally, a project will have a set of pre-determined font sizes, usually as variables named in such a way that seeks some semblance of order and consistency. Any project of considerable size can use something like that. There are always …