https://www.cnblogs.com/starof/p/4718550.html
<!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> * { margin: 0; padding: 0; } p { width: 200px; height: 200px; background: pink; margin: 0 10px; } div { width: 200px; height: 500px; background: cadetblue; } .phoneNumber::before { content: '\2764'; font-size: 15px; } </style> </head> <body> <div> <p></p> <p class="phoneNumber">12345645654</p> </div> </body> </html>
