add image in before css code example

Example 1: add image ::before css

element::after{
  content:url('blackCarrot.png'); 
  position:relative; /*or absolute*/
  z-index:100000; 
  left:-50px;
  top:10px;
}

Example 2: how to add an image in css

.element {
  background-image: url("imageFile.png");
}