<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <input type="checkbox" id="cb1"> <label for="cb1">男</label> <hr> <input type="checkbox" id="cb2"> <label for="cb2">女</label> </body> </html>