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What does button Focus do CSS?
The :focus CSS pseudo-class represents an element (such as a form input) that has received focus. It is generally triggered when the user clicks or taps on an element or selects it with the keyboard's Tab key.
What is focus in button?
:focus is when an element is able to accept input - the cursor in a input box or a link that has been tabbed to. :active is when an element is being activated by a user - the time between when a user presses a mouse button and then releases it.
What is focus within CSS?
The :focus-within CSS pseudo-class matches an element if the element or any of its descendants are focused. In other words, it represents an element that is itself matched by the :focus pseudo-class or has a descendant that is matched by :focus . (This includes descendants in shadow trees.)
