| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| margin: 0; | |
| font-size: 16px; | |
| } | |
| .box { | |
| background: rgb(0, 0, 255); | |
| width: 100%; | |
| height: 10px; | |
| } | |
| @media (width: calc(200vh + 5em)) { | |
| .box { | |
| background: rgb(255, 165, 0); | |
| } | |
| } | |
| </style> | |
| </head> | |
| <div class="box"></div> | |
| </html> |