Input
Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>10cm x 7cm Div</title> <style> div { width: 10cm; height: 7cm; background-color: lightseagreen; color: white; font-size: 18px; display: flex; align-items: center; justify-content: center; border: 2px dashed #003333; margin: 20px auto; } </style> </head> <body> <div> 10cm wide × 7cm tall </div> </body> </html>