63 > (greater-than sign) is a CSS Combinator (Combine + Selector). A CSS selector can contain more than one simple selector. Between the simple selectors, we can include a combinator. There are four different combinators in CSS3: descendant selector (space) child selector (>) adjacent sibling selector (+) general sibling selector (~)
The ~ selector is in fact the subsequent-sibling combinator (previously called general sibling combinator until 2017): The subsequent-sibling combinator is made of the "tilde" (U+007E, ~) character that separates two sequences of simple selectors. The elements represented by the two sequences share the same parent in the document tree and the element represented by the first sequence precedes ...
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?
* { 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?
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 an extremely simplified example. Note - this technique can only be applied in an hierarchy and not within the same element to style itself according to its own properties.
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 (unknownAtRules) Unk...
UP/DOWN DOWN UP Using only a few lines of CSS we can encode our images into base64. CLICK FOR DEMO ON JSFIDDLE PROS No need to include additional resources in the form of images or fonts. Supports full alpha transparency. Full cross-browser support. Small images/icons can be stored in a database. CONS Updating/editing can become a hassle.
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 any normal combination of selectors.
