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CSS selectors are used to "find" (or select) the HTML elements you want to style. We can divide CSS selectors into five categories: Simple selectors (select elements based on name, id, class) Combinator selectors (select elements based on a specific relationship between them)
CSS selectors are used to "find" (or select) the HTML elements you want to style. Use our CSS Selector Tester to demonstrate the different selectors. CSS Simple Selectors. The simple selectors select elements based on element-name, id, and class. In addition, there is the universal selector (*). CSS Attribute 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 combinator (space) Child combinator (>) Next sibling combinator (+) Subsequent-sibling combinator (~)
Allows you to select elements in specific DOM subtrees and target elements precisely without writing overly-specific selectors: scroll-behavior: Specifies whether to smoothly animate the scroll position in a scrollable box, instead of a straight jump: scroll-margin: Specifies the margin between the snap position and the container: scroll-margin ...
CSS selectors are implemented for selecting the substance of your web page you wish to style. These selectors act as the components of the rule set of CSS. CSS selectors choose elements in HTML based on the class, id, attribute, type, etc.
Click a selector: Click a selector to see which element(s) that gets selected in the result:
A pseudo-class is used to define a special state of an element. For example, it can be used to: Style an element when a user moves the mouse over it. Style visited and unvisited links differently. Style an element when it gets focus. Style valid/invalid/required/optional form elements. Mouse Over Me. Syntax. The syntax of pseudo-classes:
Every CSS selector has its place in the specificity hierarchy. There are four categories which define the specificity level of a selector: Inline styles - Example: <h1 style="color: pink;"> IDs - Example: #navbar; Classes, pseudo-classes, attribute selectors - Example: .test, :hover, [href] Elements and pseudo-elements - Example: h1, ::before
CSS [attribute|="value"] Selector. The [attribute|="value"] selector is used to select elements with the specified attribute, whose value can be exactly the specified value, or the specified value followed by a hyphen (-).
CSS can be added to HTML documents in 3 ways: Inline - by using the style attribute inside HTML elements. Internal - by using a <style> element in the <head> section. External - by using a <link> element to link to an external CSS file. The most common way to add CSS, is to keep the styles in external CSS files.
