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  1. What does the ">" (greater-than sign) CSS selector mean?

    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: article > p { } Means only style a …

  2. In CSS what is the difference between "." and - Stack Overflow

    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?

  3. What does the "~" (tilde/squiggle/twiddle) CSS selector mean?

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

  4. What is the purpose of the '@' symbol in CSS? - Stack Overflow

    The @ syntax itself, though, as I mentioned, is not new. These are all known in CSS as at-rules. They're special instructions for the browser, not directly related to styling of (X)HTML/XML …

  5. Tailwind CSS v4 - Unknown at rule @plugin, @custom-variant, …

    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 …

  6. css - Tailwind 4 Utilities Failing ("Cannot apply unknown utility …

    Apr 16, 2025 · I'm setting up a new project using Next.js (v15.3.0 - Pages Router) and Tailwind CSS (v4.1.4) and I've hit a persistent build issue where Tailwind utility classes are not being …

  7. css selectors - CSS "and" and "or" - Stack Overflow

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

  8. css - Line break in HTML with '\n' - Stack Overflow

    Sep 5, 2016 · Learn how to create line breaks in HTML using '\n' and CSS techniques on this Stack Overflow discussion.

  9. html - What does the '$' in CSS mean? - Stack Overflow

    The first, known as SCSS (Sassy CSS) and used throughout this reference, is an extension of the syntax of CSS. This means that every valid CSS stylesheet is a valid SCSS file with the same …

  10. css - How can I apply styles to multiple classes at once ... - Stack ...

    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 …