Animation timing functions variables in Sass

_easings.scss

/*
* Animation timing functions variables in Sass
* Based on Easings by Andrey Sitnik (Autoprefixer / PostCSS) and Matthew Lein's easing animation tool.
* Also used on Velocity.js animation library.
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* http://easings.net/
* https://matthewlein.com/ceaser
* http://velocityjs.org/
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/

$linear: cubic-bezier(0.25, 0.25, 0.75, 0.75);
$ease: cubic-bezier(0.25, 0.1, 0.25, 1.0);
$easeIn: cubic-bezier(0.42, 0.0, 1.00, 1.0);
$easeOut: cubic-bezier(0.00, 0.0, 0.58, 1.0);
$easeInOut: cubic-bezier(0.42, 0.0, 0.58, 1.0);
/* Sine */
$easeInSine: cubic-bezier(0.47, 0, 0.745, 0.715);
$easeOutSine: cubic-bezier(0.39, 0.575, 0.565, 1);
$easeInOutSine: cubic-bezier(0.445, 0.05, 0.55, 0.95);
/* Quad */
$easeInQuad: cubic-bezier(0.55, 0.085, 0.68, 0.53);
$easeOutQuad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
$easeInOutQuad: cubic-bezier(0.455, 0.03, 0.515, 0.955);
/* Cubic */
$easeInCubic: cubic-bezier(0.55, 0.055, 0.675, 0.19);
$easeOutCubic: cubic-bezier(0.215, 0.61, 0.355, 1);
$easeInOutCubic: cubic-bezier(0.645, 0.045, 0.355, 1);
/* Quart */
$easeInQuart: cubic-bezier(0.895, 0.03, 0.685, 0.22);
$easeOutQuart: cubic-bezier(0.165, 0.84, 0.44, 1);
$easeInOutQuart: cubic-bezier(0.77, 0, 0.175, 1);
/* Quint */
$easeInQuint: cubic-bezier(0.755, 0.05, 0.855, 0.06);
$easeOutQuint: cubic-bezier(0.23, 1, 0.32, 1);
$easeInOutQuint: cubic-bezier(0.86, 0, 0.07, 1);
/* Expo */
$easeInExpo: cubic-bezier(0.95, 0.05, 0.795, 0.035);
$easeOutExpo: cubic-bezier(0.19, 1, 0.22, 1);
$easeInOutExpo: cubic-bezier(1, 0, 0, 1);
/* Circ */
$easeInCirc: cubic-bezier(0.6, 0.04, 0.98, 0.335);
$easeOutCirc: cubic-bezier(0.075, 0.82, 0.165, 1);
$easeInOutCirc: cubic-bezier(0.785, 0.135, 0.15, 0.86);
/* Back */
$easeInBack: cubic-bezier(0.600, -0.280, 0.735, 0.045);
$easeOutBack: cubic-bezier(0.175, 0.885, 0.320, 1.275);
$easeInOutBack: cubic-bezier(0.680, -0.550, 0.265, 1.550);