| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <math class="hidden"> | |
| <mi>x</mi> | |
| <mo>=</mo> | |
| </math> | |
| <script> | |
| window.onload = function() { | |
| let s = document.createElement("style"); | |
| s.textContent = ` | |
| body { | |
| line-height: 1.42857143; | |
| } | |
| .hidden { | |
| display: none; | |
| } | |
| `; | |
| document.body.appendChild(s); | |
| }; | |
| </script> | |
| </body> | |
| </html> |