/*
   TRANSITION TIMING
*/

.ttf-e {     transition-timing-function: ease; }
.ttf-ei {    transition-timing-function: ease-in; }
.ttf-eo {    transition-timing-function: ease-out; }
.ttf-eio {   transition-timing-function: ease-in-out; }
.ttf-lin {   transition-timing-function: linear; }
.ttf-cb {    transition-timing-function: cubic-bezier(0.1, 0.7, 1.0, 0.1); }
.ttf-ss {    transition-timing-function: step-start; }
.ttf-se  {   transition-timing-function: step-end; }
.ttf-steps { transition-timing-function: steps(4, end); }
.ttf-i {     transition-timing-function: inherit; }