<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> .test::after { content: "heeeee"; position: absolute; display: block; background-color: blue; } .test::before { content: "kkkkk777777777777777"; display: block; position: absolute; background-color: red; } .test { background-color: pink; position: relative; } </style> </head> <body> <div class="test"> one </div> </body> </html>