Simulated Buttons

Checklist:
*Keyboard Accessibility: Attempt to set focus to the button using Tab and Shift+Tab.
*Keyboard Accessibility: Attempt to activate the button from the keyboard without a screen reader running.
*Screen Reader Accessibility: Attempt to activate the button from the keyboard with a screen reader running.
*Screen Reader Accessibility: Attempt to identify the element role of "button" using a screen reader.

Not accessible from the keyboard, and with no active element role for screen reader users. [Not Accessible]

(1) What am I?

Focusable, but not accessible from the keyboard, and with no active element role for screen reader users. [Not Accessible]

(2) What am I?

Both focusable and accessible from the keyboard, but with no active element role for screen reader users. [Not Accessible]

(3) What am I?

Both focusable and accessible from the keyboard, as well as with an active element role for screen reader users. [ACCESSIBLE!]

(4) What am I?