Firefox

The delete button, either it can be hidden in multiselect or the no of selected items can be updated when any item is deleted individually.

Example screenshots:

![screenshot_2](https://user-images.githubusercontent.com/36289013/129432070-258d47e1-5f62-4683-b3bb-8affddc0e1

Relevant spec sections:

https://drafts.csswg.org/selectors-4/#the-dir-pseudo
https://html.spec.whatwg.org/multipage/semantics-other.html#selector-ltr

The interesting cases to test are from the definition of "directionality" in HTML:
https://html.spec.whatwg.org/multipage/dom.html#the-directionality

• element with dir="ltr" matches :dir(ltr) (#26159)
• root element without `

Inside container tabs, the mode indicator sets a colored border using inline CSS with the !important tag: eg style="border: #af51f5 solid 1.5px !important".

This means you can't change this in theme files because the inline style always has the highest priority (At least I think, I'm a CSS noob). It could also theoretically be used for fingerprinting, but I doubt websites need to stoop tha

Description:

Provide option to keep some segment and provide a submit button below each segment as I don't want to upload the first segment. As I want the first segment but not sure about the consensus and correctness about the first segment.