minimum size. For example, it could be restricted to be between a quarter and

a half of one dimension of the screen.

When {{pictureInPictureElement}} is set, the Picture-in-Picture window MUST

be visible, even when the [=document=]'s {{Window}} is not focused or the [=document=]'s [=Document/visibility state=] is "hidden". The user

agent SHOULD provide a way for users to manually close the Picture-in-Picture

window.

When a {{DocumentOrShadowRoot}}'s {{pictureInPictureElement}} attribute is set,

the [=Picture-in-Picture window=] MUST be visible, even when the

{{DocumentOrShadowRoot}}'s [=relevant global object=]'s [=associated Document=]'s

[=Document/visibility state=] is "hidden".

The user agent SHOULD provide a way for users to manually close the

Picture-in-Picture window.

## Exit Picture-in-Picture ## {#exit-pip}