The :enabled CSS pseudo-class represents any enabled element. An element is enabled if it can be activated (selected, clicked on, typed into, etc.) or accept focus. The element also has a disabled state, in which it can't be activated or accept focus.... HTML html <form action="url_of_form"> <label for="FirstField">First...for="FirstField">First field (enabled):</label> <input type="text" id="FirstField"...