Adding HTML entities using CSS content

Question

How do you use the CSS content property to add HTML entities?

Using something like this just prints  

Answer 1

For Example :

http://character-code.com/arrows-html-codes.php

Example: If you want select your character , I selected "↬" "↬" (We use HEX values)

.breadcrumbs a:before {
    content: '\0021ac';
}

Result : ↬

Thats it :)