Combine Scroll-Driven Animations with @​property, transition-delay, calc(), sign() and abs() … and you can do Scroll Detection using only CSS!

Slides of the talk “What’s new in CSS” I gave at Frontmania.

A function that computes to the first color if the used color scheme is light or unknown, or to the second color if the used color scheme is dark.

Have you heard about CSS @scope? It’s an upcoming way to scope the reach of your CSS selectors.

(Ab)using Scroll-Driven Animations to apply styles on elements that are snapped within their scroll-snapping enabled ancestor scroller.

Animate elements in a grid layout as new items are added, items change size, etc.

Because selector matching in browsers happens from right to left, you might end up with more matches than you expected when using :is().

Leverage CSS :has() to select all siblings between two element boundaries.

The :has() selector is way more than just a “parent selector”…

Let’s take a look at how we can progressively enhance the color experience on the web, accessing color spaces such as display-p3.

When implementing Dark Mode and ways to toggle it, developers currently need to duplicate code and roll their own toggle implementation.

CSS toggles are a mechanism for associating toggleable state with a DOM element.

Safari TP 137 just dropped with unflagged support for :has(). Often dubbed “the parent selector”, :has() is way more than that…

With 2021 coming to an end, let’s take a look at which CSS language features we can expect to land in browsers in 2022.

When authoring CSS we have to carefully think about source code order, selector specificity, and the use of !important.

There are some changes being proposed regarding viewport units, finally solving that “100vh in Safari on iOS” issue.

Create (pure CSS) Scroll-Linked Animations with Element-based Offsets using @scroll-timeline from the “Scroll-linked Animations“ CSS Specification.

Recently, Stephanie Eckles sent out a call to revive the use of CSS border-image. Not to use it with images but to create Gradient Borders in CSS.

Higher Level Custom Properties are Custom Properties that control multiple other CSS Properties.

In “CSS Box Sizing Module Level 4” a new aspect-ratio CSS property is defined. Let’s take a look at how to use it.