http://www.alexafalcone.com/
http://gudh.github.io/ihover/dist/index.html#circle10
http://gudh.github.io/ihover/dist/index.html#circle13
http://gudh.github.io/ihover/dist/index.html#circle17
http://gudh.github.io/ihover/dist/index.html#square3
http://gudh.github.io/ihover/dist/index.html#square6
http://gudh.github.io/ihover/dist/index.html#square12
https://codepen.io/honglio/pen/FKyxG
https://codepen.io/russpate/pen/qRaepv --- Requires the whole area to be blurred
https://codepen.io/Mamboleoo/pen/XgBvrJ ---
https://codepen.io/cassidoo/pen/RZOWQb
https://codepen.io/Sherpa23/pen/rKvJXg !!
https://codepen.io/markmead/pen/MqmOVB !!
https://codepen.io/ViktorKorolyuk/pen/GYGwpv
https://ianlunn.github.io/Hover/ (border section)
https://codepen.io/bhautikbharadava/full/OdPzdW (gives borders too)
https://tympanus.net/Development/ProximityFeedback/index5.html
https://tympanus.net/Development/ProximityFeedback/index7.html (scroll icon)