12 Iúil 2010 · 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:

@font-face { /* CSS HERE */ } So is this @ symbol something new in CSS3, or something old that I've somehow overlooked? Is this something like where with an ID you use #, and with a class you use .? …

30 Iúil 2009 · The CSS that you referenced is very useful to a web-designer for debugging page layout problems. I often drop it into the page temporarily so I can see the size of all the page elements and …

28 Beal 2012 · The ~ selector is in fact the subsequent-sibling combinator (previously called general sibling combinator until 2017): The subsequent-sibling combinator is made of the "tilde" (U+007E, ~) …

2 Márta 2009 · 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?

17 Márta 2025 · 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 …

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

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-border-radius …

CSS Child vs Descendant selectors Asked 16 years, 4 months ago Modified 2 years, 5 months ago Viewed 166k times

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 …