2010年7月12日 · 1 The greater sign ( > ) selector in CSS means that the selector on the right is a direct descendant / child of whatever is on the left. An example: article > p { } Means only style …

2009年3月2日 · What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?

2012年5月28日 · Searching for the ~ character isn't easy. I was looking over some CSS and found this .check:checked ~ .content { } What does it mean?

2009年7月15日 · Update Jul 2023: Modern CSS now has @container queries support for size and soon also style & state, and that basically means a native way for an if/else condition. Below is …

2010年5月9日 · Learn about CSS selectors, including how to use "and" and "or" for efficient styling on Stack Overflow.

2025年3月17日 · I'm using Tailwind CSS v4 in my Next.js project and getting the following errors in globals.css: Unknown at rule @plugin css (unknownAtRules) Unknown at rule @custom …

In the end I solved this by preloading the image, calculating the aspect ratio, comparing it versus the aspect ratio of the area and then apply the proper CSS style.

How do I select the <li> element that is a direct parent of the anchor element? As an example, my CSS would be something like this: li < a.active { property: value; } Obviously …

11 Using CSS pseudo-classes :is (previously :any and :matches) and :where, you can use comma to match multiple classes on any level. At the root level, :is(.abc, .xyz) and .abc, .xyz function …

The -webkit prefix on CSS selectors are properties that only this engine is intended to process, very similar to -moz properties. Many of us are hoping this goes away, for example -webkit …