[css-shadow] Confusing Spec Naming

Jul 12, 2010the greater sign ( > ) selector in css means that the selector on the right is a direct descendant / child of whatever is on the left. @font-face { /* css here */ } so is this @ symbol something new in css3, or something old that i've somehow overlooked? Jul 30, 2009the css that you referenced is very useful to a web-designer for debugging page layout problems.

I was looking over some css and found this .check:checked ~ .content { } what does it mean? 101 this is a common technique called a css reset. The parent selector, &, is a special selector invented by sass that’s used in nested selectors to refer to the outer selector.

Mar 17, 2025i'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. May 9, 2010learn 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.