<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> .hh1{ font-size: 2rem; } .hh2{ font-size: 3rem; } </style> </head> <body> <h1 class="hh1">hello1</h1> <h1 class="hh2">hello2</h1> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> .hh1{ font-size: 2rem; } .hh2{ font-size: 3rem; } </style> </head> <body> <h1 class="hh1">hello1</h1> <h1 class="hh2">hello2</h1> </body> </html>