Understanding CSS Pseudo-Elements

Inserts content after an element

Inserts content before an element

Changes the color of an element

Adds a border to an element

`::hover`

`::after`

`::click`

`::focus`

`p::first-letter { font-size: 2em; }`

`p::first-line { font-size: 2em; }`

`p::first-word { font-size: 2em; }`

`p::first-char { font-size: 2em; }`

Pseudo-elements can be reused, while classes cannot

Classes can be applied to multiple elements, while pseudo-elements target specific parts of an element

Pseudo-elements are used for animations, while classes are not

Classes are only for HTML, while pseudo-elements are for CSS

Adding a shadow to an element

Styling the first line of a paragraph

Changing the font of an entire document

Creating a new HTML element

`li::icon { content: "🌟"; }`

`li::before { content: "🌟"; }`

`li::after { content: "🌟"; }`

`li::first-icon { content: "🌟"; }`

`::first-letter`

`::first-word`

`::first-line`

`::first-char`

`element:pseudo-element`

`element::pseudo-element`

`element.pseudo-element`

`element#pseudo-element`