Invisible Presses

There are 24 buttons that when hovered over depress as if the button was pushed.

Looking at the source code of the grid, it could be seen that each button depressed a different distance from 1-8 units in the z-direction.

cell-z-index-1

Grouping together button pushes by depth pushed from 1-8 revealed patterns that looked like braille. Buttons mapped to rainbow colors below for easier identification.

Extracting the braille

revealed the final answer of AUGMENTS