@mixin perspective($value){ -webkit-perspective: $value; -moz-perspective: $value; -o-perspective: $value; -ms-perspective: $value; perspective: $value; } @mixin transitions($time, $type){ -webkit-transition: all $time $type; -moz-transition: all $time $type; -o-transition: all $time $type; -ms-transition: all $time $type; transition: all $time $type; } @mixin transitions-property($property, $time, $type){ -webkit-transition: $property $time $type; -moz-transition: $property $time $type; -o-transition: $property $time $type; -ms-transition: $property $time $type; transition: $property $time $type; } @mixin transform-style($type){ -webkit-transform-style: $type; -moz-transform-style: $type; -o-transform-style: $type; -ms-transform-style: $type; transform-style: $type; } @mixin backface-visibility($type){ -webkit-backface-visibility: $type; -moz-backface-visibility: $type; -o-backface-visibility: $type; -ms-backface-visibility: $type; backface-visibility: $type; } @mixin rotateY-180() { -webkit-transform: rotateY( 180deg ); -moz-transform: rotateY( 180deg ); -o-transform: rotateY( 180deg ); -ms-transform: rotateY(180deg); transform: rotateY( 180deg ); }