CSS Selectors

CSS (Cascading Style Sheets) selectors are patterns used to select and style HTML elements on a web page. Selectors allow you to target specific elements or groups of elements and apply styles to them. Here are some commonly used CSS selectors:

Type Selector: Selects elements based on their tag name. For example, to select all <h1> elements, you would use h1 as the selector.

Class Selector: Selects elements based on their class attribute. To select elements with a specific class, use a dot (.) followed by the class name. For example, to select all elements with the class “my-class”, use .my-class as the selector.

ID Selector: Selects elements based on their ID attribute. To select an element with a specific ID, use a hash (#) followed by the ID name. For example, to select an element with the ID “my-element”, use #my-element as the selector.

Universal Selector: Selects all elements on the page. It is represented by an asterisk (*). For example, * selects all elements on the page.

Descendant Selector: Selects elements that are descendants of another element. It is represented by a space between two selectors. For example, ul li selects all <li> elements that are descendants of <ul> elements.

Child Selector: Selects elements that are direct children of another element. It is represented by a greater-than sign (>). For example, ul > li selects all <li> elements that are direct children of <ul> elements.

Adjacent Sibling Selector: Selects an element that directly follows another element. It is represented by a plus sign (+). For example, h2 + p selects the <p> element that directly follows an <h2> element.

Attribute Selector: Selects elements based on their attribute values. There are several types of attribute selectors, such as [attr] (selects elements with the specified attribute), [attr=value] (selects elements with the specified attribute and value), and more.

Pseudo-class Selector: Selects elements based on a certain state or condition. Pseudo-classes are preceded by a colon (:). Examples include :hover (selects elements when hovered over), :first-child (selects the first child element), :nth-child(n) (selects the nth child element), and so on.

These are just a few examples of CSS selectors. CSS provides a wide range of selectors that allow you to target specific elements in a flexible and precise manner.