What does the gt; (greater-than sign) CSS selector mean? 1 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 paragraph that comes after an article
What does the ~ (tilde squiggle twiddle) CSS selector mean? 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 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 elements in Web documents using rules and properties, although they do play important roles in controlling how styles are applied Some code examples:
What is WebKit and how is it related to CSS? - Stack Overflow The -webkit prefix on CSS selectors are properties that only this engine is intended to process, very similar to -moz properties Many of us are hoping this goes away, for example -webkit-border-radius will be replaced by the standard border-radius and you won't need multiple rules for the same thing for multiple browsers