| 1 | <!DOCTYPE html> |
| 2 | <html lang="es"> |
| 3 | |
| 4 | <head> |
| 5 | |
| 6 | <meta charset="UTF-8"> |
| 7 | <meta name="viewport" content="width=device-width"> |
| 8 | |
| 9 | <title>La modificacion debe ser número</title> |
| 10 | |
| 11 | <body> |
| 12 | |
| 13 | <h1>La modificacion debe ser número</h1> |
| 14 | |
| 15 | </body> |
| 16 | |
| 17 | </html> |