A Pseudo element is a CSS technique to set the style to part of the element. Uses double colon "::"
• select first line in the paragraph
• select first character of a paragraph.
• add content before or after of an element.
• change color if content is selected using mouse.
Example A:
selector::pseudo-element {
css property : value;
}
Example B:
li::before {
css property : value;
}
Example C:
li::selection {
css property : value;
}