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Languages & runtimes · #css3
Learn how to create a responsive two‑column layout using CSS Grid, define explicit tracks with fr units, and verify the result in the browser.
Stop fighting with floats and nested divs. Learn how CSS Grid Template Areas allow you to visually map your page layout and rearrange it for mobile with minimal code.
Use CSS Grid as the primary layout engine, wrap it in a feature query, and provide a lightweight block‑flow fallback to support legacy browsers without breaking the design.
Logical Properties Transition in CSS3 CSS3 logical properties such as margin-block and padding-inline replace physical properties to support multiple writing modes. Unresolved Compatibility Issue When a physical property (e.g., margin-left ) and its logical counterpart (e.g., margin-inline-start ) are both specified on the same element, browsers may resolve
Unresolved Placement of grid‑auto‑flow: dense with minmax() Goal: determine how browsers place items when grid-auto-flow: dense is used together with minmax() for auto‑generated tracks, especially after a spec upgrade that may alter the algorithm. Constraints: items span multiple tracks, tracks defined by minmax(100px, auto) , and the layout is rendered in C
I'm building a vertical scrolling feed of cards with very different heights, and I want to use CSS Scroll Snap rather than a JavaScript carousel library. The container would get scroll-snap-type with a y axis, and each card would get scroll-snap-align: start . My uncertainty is the strictness value. With mandatory , the browser must settle exactly on a snap
When designing a web application, developers often seek to limit the capabilities of CSS to only those styles necessary for presentation, reducing the attack surface that could be exploited through malicious stylesheets or inline styles. However, determining which CSS features can be safely disabled without breaking layout or theming remains unclear, especia