2010年7月12日 · 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:

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?

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-variant css …

Firefox 71+ (2019-12-03) and Chrome 79+ (2019-12-10) support internal mapping of the width and height HTML attributes of the IMG element to the new aspect-ratio CSS property.

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 an …

CSS is relatively fast to parse, but selecting parent tags requires a relatively significantly larger amount of processing. Using the :has selector, we can now select div elements which have a p children, or any …

For anchors that act like buttons (for example, the buttons on the sidebar of this Stack Overflow page titled Questions, Tags, and Users) or tabs, is there a CSS standard way to disable the highlig...

Two different sets of CSS properties apply to the same HTML markup for the table, but with opposite concepts: the first one uses the default value for border-collapse (separate) and uses border-spacing …

2012年8月27日 · I've seen some new websites that are using custom fonts on their sites (other than the regular Arial, Tahoma, etc.). And they support a nice amount of browsers. How does one do that? …