What is the difference between pseudo elements & pseudo classes in CSS?

A pseudo-element is a ‘fake’ element, it isn’t really in the document with the ‘real’ ones. Pseudo-classes are like ‘fake’ classes that are applied to elements under certain conditions, much like how you would manipulate the classes of elements using JavaScript.

What is the difference between pseudo-class and pseudo element in CSS?

A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected element(s). A CSS pseudo-element is a keyword added to a selector that lets you style a specific part of the selected element(s).

What are pseudo-classes and pseudo elements CSS?

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 mouses over it. Style visited and unvisited links differently.

What is CSS box model explain pseudo-class and pseudo element with example?

A CSS pseudo-element is used to style specified parts of an element. For example, it can be used to: Style the first letter, or line, of an element. Insert content before, or after, the content of an element.

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What is :: before and :: after in CSS?

CSS ::before Selector

The ::before selector inserts something before the content of each selected element(s). Use the content property to specify the content to insert. Use the ::after selector to insert something after the content.

What are pseudo classes in HTML?

A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected element(s). For example, :hover can be used to change a button’s color when the user’s pointer hovers over it.

What is CSS pseudo element?

A CSS pseudo-element is a keyword added to a selector that lets you style a specific part of the selected element(s). For example, ::first-line can be used to change the font of the first line of a paragraph.

Can a pseudo element have a pseudo element?

Only one pseudo-element may appear per selector, and if present it must appear after the sequence of simple selectors that represents the subjects of the selector. Note: A future version of this specification may allow multiple pseudo-elements per selector.

How do I use pseudo elements in CSS?

A CSS pseudo-element is a keyword added to a CSS selector that lets you style a specific part of the selected HTML element. In CSS3, they are usually denoted by two colons — for example, ::first-line — to differentiate them from pseudo-classes. In contrast, CSS2 syntax uses one colon (e.g., :first-line ).

What is pseudo Before element?

Before Pseudo-element

The Before pseudo element creates a pseudo-element before the first child of the selected element, simply it creates an element before the content of the selected element. Pseudo elements have a content property which can be used to insert generated content, image or a string.

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What is :: After in HTML?

In CSS, ::after creates a pseudo-element that is the last child of the selected element. It is often used to add cosmetic content to an element with the content property. It is inline by default.

How do I use two pseudo-classes in CSS?

To quote the standard: Pseudo-classes are allowed anywhere in selectors while pseudo-elements may only be appended after the last simple selector of the selector. This means your syntax is correct according to CSS2. 1 and CSS3 as well, i.e. IE8 still sucks ;)

Is the pseudo class names are case sensitive?

4 Answers. CSS selectors are generally case-insensitive; this includes class and ID selectors. But HTML class names are case-sensitive (see the attribute definition), and that’s causing a mismatch in your second example. This has not changed in HTML5.

What are the 3 types of CSS?

There are three ways you can use to implement CSS: internal, external, and inline styles.

What is :: before in HTML?

In CSS, ::before creates a pseudo-element that is the first child of the selected element. It is often used to add cosmetic content to an element with the content property. It is inline by default.

What are the selectors in CSS?

CSS Selectors

  • Simple selectors (select elements based on name, id, class)
  • Combinator selectors (select elements based on a specific relationship between them)
  • Pseudo-class selectors (select elements based on a certain state)
  • Pseudo-elements selectors (select and style a part of an element)
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