The CSS if() function enables us to use values conditionally, which we can already do with queries and other functions, so I’m sure you’re wondering: What exactly does if() do? Let’s look at a possible real-world use case.
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The CSS if() function was recently implemented in Chrome 137, making it the first instance where we have it supported by a mainstream browser. Let’s poke at it a bit at a very high level.
Zell discusses refactoring the Resize, Mutation, and Intersection Observer APIs for easier usage, demonstrating how to implement callback and event listener patterns, while highlighting available options and methods.
An introduction to “Color spaces”, “Color models”, “Color gamuts,” and basically all of the “Color somethings” in CSS.
CSS has a number of functions that can be used to set, translate, and manipulate colors. Learn what they are and how they are used with a bunch of examples to get you started.
How do you stay informed of new CSS features when the language evolves quickly and information is spread all around the web? Sacha Greif has some tips from his work running an annual survey focused on new CSS features.
.triangle { clip-path: shape(from 50% 0%, line by 50% 100%, hline to 0%, line to 50% 0%, close); }
ul li { width: calc(100% / sibling-count()); }
ul li { transform: translateX(calc(sibling-index() * 10px)); }
.scroll-container { scroll-marker-group: before; }
.scroll-container::scroll-marker-group { /* ... */ }
.element::scroll-marker { content: ""; }
.carousel::scroll-button(right) { content: "⮕"; }
.element { text-box-trim: trim-both; }
.element { margin-trim: block-end; }
@font-feature-values Noble Company {
@stylistic {
curly: 1; /* Sets ss01 on */
}
}
.element { width: rem(10px, 4px); }
.element { width: round(10.4px, 1px); }
.element { width: mod(10px, 4px); }
.element { width: calc-size(auto, size); }