Jul 12, 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:

Mar 2, 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?

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

Mar 17, 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 …

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.

May 31, 2012 · There is no CSS property like background-opacity that you can use only for changing the opacity or transparency of an element's background without affecting the child elements, on the other …

Sass is a CSS pre-processor with syntax advancements. Style sheets in the advanced syntax are processed by the program, and turned into regular CSS style sheets. However, they do not extend …

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 …

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 …

Learn how to scale font size dynamically based on the size of its container using CSS techniques and responsive design principles.