Webp:nth-child (n) 兄弟要素のグループの中ですべての 要素を表します。. これは単純な p セレクターと同じ要素を選択します (但し、詳細度はより高くなります)。. p:nth-child (1) または p:nth-child (0n+1) 兄弟要素のグループの中で最初の Webseletores CSS; Type, class, and ID selectors (en-US) Attribute selectors; Pseudo-classes and pseudo-elements (en-US) Combinators (en-US) Cascade and inheritance; ... A pseudo-classe de CSS:first-child representa qualquer elemento que seja o primeiro filho de seus pais. Sintaxe. elemento:first-child { estilos } Exemplos.
CSS Combinators - W3School
WebOct 12, 2024 · Creating a CSS Class Using a Class Selector. Let’s begin exploring CSS classes in practice. Erase everything in your styles.css file and add the following code snippet to specify a rule for the class red-text: styles.css. .red-text { color: red; } After adding the code snippet to your styles.css file, save the file. WebNotice the double colon notation - ::first-line versus :first-line The double colon replaced the single-colon notation for pseudo-elements in CSS3. This was an attempt from W3C to distinguish between pseudo-classes and pseudo-elements. The single-colon syntax was used for both pseudo-classes and pseudo-elements in CSS2 and CSS1. phone holder pop it
CSS Pseudo-elements - W3School
WebW3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. WebA combinator is something that explains the relationship between the selectors. 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 CSS: descendant selector (space) child selector (>) adjacent sibling selector (+) general sibling selector (~) WebSep 26, 2011 · Pseudo-class :first-child. The :first-child pseudo-class represents an element that is the first child of some other element. Same as :nth-child(1). Syntax … phone holder pop up