There are some changes being proposed regarding viewport units, finally solving that “100vh in Safari on iOS” issue …
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Create a color theme with CSS Relative Color Syntax, CSS color-mix(), and CSS color-contrast()
Fabio Giolito explores three new CSS color features that landed in Safari Technology Preview: Relative color syntax, e.g. .bg-primary-100 { background-color: hsl(from var(–theme-primary) h s 90%); } .bg-primary-200 { background-color: hsl(from var(–theme-primary) h s 80%); } .bg-primary-300 { background-color: hsl(from var(–theme-primary) h s 70%); } … CSS color-contrast, e.g. .text-contrast-primary { color: color-contrast(var(–theme-primary) vs white, …
The Future of CSS: Scroll-Linked Animations with @scroll-timeline (Part 2)
Let’s take a look at how we can create Scroll-Linked Animations that use Element-based Offsets using @scroll-timeline from the “Scroll-linked Animations“ CSS Specification.
The Future of CSS: Scroll-Linked Animations with @scroll-timeline (Part 1)
The “Scroll-linked Animations Specification” is an upcoming addition to CSS that defines a way for creating animations that are linked to a scroll offset of a scroll container. Let’s take a look at how it works and what results we can achieve with it.
Style Spelling and Grammar Errors with the ::spelling-error and ::grammar-error pseudo-elements
Part of the CSS Pseudo-Elements Level 4 Specification are ways to style spelling and grammar errors. By default spelling errors — words you have mistyped — get a red dotted underline, thanks to the ::spelling-error pseudo-class selector you can tweak that. Grammar errors — such as a missing capital letter at the beginning of a …
Style the target text from text-fragment links using the ::target-text pseudo-element
One of my favorite features that shipped with Chrome 80 — apart from Optional Chaining — is the ability to link to text-fragments. By default Chrome will highlight those in yellow: 💡 To easily create text-fragment links there’s this Chromium Plugin you can use. ~ As tweeted before, coming to Chromium 89 is the ability …
The future of CSS: Higher Level Custom Properties to control multiple declarations
“Higher Level Custom Properties” are Custom Properties that control multiple other CSS Properties. Although still a proposal it’s worth having a look already as they’re really exciting.
Native Aspect Ratio Boxes in CSS thanks to aspect-ratio
In “CSS Box Sizing Module Level 4” a new aspect-ratio CSS property is defined. Let’s take a look on how to use it …
Container Queries are coming to Chromium!
Just announced on the Chromium mailing list is an “Intent to Prototype” Container Queries. Let’s take a look at the proposed syntax …
CSS leading-trim – The Future of Digital Typesetting
Ethan Wang, who works at Microsoft: In a standard text box, there’s almost always extra space above and below the actual text. Because of this, when you use a text box to measure and implement spacing, it ends up larger than you intended. The bigger the line height, the bigger the problem. You can see …
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