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:

@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 …

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 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?

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

Aug 7, 2020 · Is it possible to select elements in CSS by their HTML5 data attributes (for example, data-role)?

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 …

Learn how to link an external CSS file to your HTML document for styling purposes on Stack Overflow.

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.

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 …