| <!DOCTYPE html> | |
| <!-- | |
| | The "rem" unit should be relative to the root element. | |
| | https://www.w3.org/TR/css3-values/#font-relative-lengths | |
| --> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| font-family: roboto; | |
| } | |
| div { | |
| font-size: 1.5rem; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div> | |
| outer div | |
| <div> | |
| middle div | |
| <div> | |
| inner div | |
| </div> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |