After discussion, we've decided to add the following CSS at a global level to ensure `hidden` works as expected.
```css
[hidden] {
display: none !important;
}
```
The solution is a universal one and also [recommended](https://css-tricks.com/the-hidden-attribute-is-visibly-weak/).
Bug 1964412 Comment 1 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
After [discussion](https://docs.google.com/document/d/1qLagvmzkwfawpFyu2X_pC-KxI-s-v3hlqJDr5OWLU1E/edit?tab=t.0), we've decided to add the following CSS at a global level to ensure `hidden` works as expected. ```css [hidden] { display: none !important; } ``` The solution is a universal one and also [recommended](https://css-tricks.com/the-hidden-attribute-is-visibly-weak/).