// Taken from thoughtbot/bourbon library timing functions :root { --ease-in-cubic: cubic-bezier(0.17, 0.67, 0.83, 0.67); --ease-in-sine: cubic-bezier(0.47, 0, 0.745, 0.715); --ease-out-cubic: cubic-bezier(0.215, 0.61, 0.355, 1); --ease-out-sine: cubic-bezier(0.39, 0.575, 0.565, 1); --ease-in-out-quad: cubic-bezier(0.455, 0.03, 0.515, 0.955); }