Sun & Moon
Rests at −6°, turns to +12° and softens to 70 % on hover, springs in on press. The next icon spins in after each switch.
Toggles2
Switches, checkboxes and segmented controls – each one tells assistive technology whether it is on, off or which option is chosen.
Check & Strike
Native checkboxes underneath: the box fills with a little bounce, the tick draws itself, the label gets struck through.