In CSS, What is use for ::after and ::before?

Question

Am new to css.I know only basics in css. I wonder what is the use clear:both.Please give some sample code for what is the use for this.

Answer 1

::after and ::before are Pseudo elements. It which allows you to insert content into a page from CSS

Example:

div::after {
  content: "hi";
}

div::before {
  content: "hi";
}