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?

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?

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 …

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

* { margin: 0; padding: 0; } It is odd, as removing that block in chrome web developer tools doesn't affect the layout of the page. What does this code mean, and when is it used and why?

Jul 15, 2009 · Update Jul 2023: Modern CSS now has @container queries support for size and soon also style & state, and that basically means a native way for an if/else condition. Below is …

background-position: center; } Now you can just set your div size to whatever you want and not only will the image keep its aspect ratio it will also be centralized both vertically and …

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 …

I have been doing some research on media queries and I still don't quite understand how to target devices of certain sizes. I want to be able to target desktop, tablet and mobile. I know that there

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 …