| 4 | | Agreed. Most practical approach would be wrapping with `<p style="text-align: center/left/right">...</p>` on returned html. Just like any text block in the editor but iframe will act like block label element if we do that. |
| | 4 | Theme must have styles for editor default classes right? For example if a theme doesn't have any css defined for `.alignleft`, `.alignright`, `.aligncenter`, `.alignnone` non of image alignment will work. It could be same for the iframe too. |
| | 5 | |
| | 6 | Most practical approach would be wrapping with `<p style="text-align: center/left/right">...</p>` on returned html. Just like any text block in the editor but iframe will act like block label element if we do that. |