@mixin tap-highlight-color($args) {
  -webkit-tap-highlight-color: $args;
  -moz-tap-highlight-color: $args;
  tap-highlight-color: $args;
}

@mixin text-size-adjust($args) {
  -webkit-text-size-adjust: $args;
  -moz-text-size-adjust: $args;
  text-size-adjust: $args;
}

@mixin perspective($args) {
  -webkit-perspective: $args;
  -moz-perspective: $args;
  perspective: $args;
}

@mixin transform-style($args) {
  -webkit-transform-style: $args;
  -moz-transform-style: $args;
  transform-style: $args;
}

@mixin transition-duration($args) {
  -webkit-transition-duration: $args;
  -moz-transition-duration: $args;
  transition-duration: $args;
}

@mixin backface-visibility($args) {
  -webkit-backface-visibility: $args;
  -moz-backface-visibility: $args;
  backface-visibility: $args;
}

@mixin animation-timing-function($args) {
  -webkit-animation-timing-function: $args;
  -moz-animation-timing-function: $args;
  animation-timing-function: $args;
}

@mixin animation-duration($args) {
  -webkit-animation-duration: $args;
  -moz-animation-duration: $args;
  animation-duration: $args;
}

@mixin animation-fill-mode($args) {
  -webkit-animation-fill-mode: $args;
  -moz-animation-fill-mode: $args;
  animation-fill-mode: $args;
}

@mixin animation-name($args) {
  -webkit-animation-name: $args;
  -moz-animation-name: $args;
  animation-name: $args;
}

@mixin animation-iteration-count($args) {
  -webkit-animation-iteration-count: $args;
  -moz-animation-iteration-count: $args;
  animation-iteration-count: $args;
}

@mixin transform-origin($args) {
  -webkit-transform-origin: $args;
  -moz-transform-origin: $args;
  transform-origin: $args;
}

// -------------------------------

@mixin border-image($args) {
  -webkit-border-image: $args;
  -moz-border-image: $args;
  // Implementation seems to differ
  // border-image: $args;
}

@mixin box-inset-shadow($args) {
  -moz-box-shadow: inset $args;
  -webkit-box-shadow: inset $args;
  box-shadow: inset $args;
}

@mixin box-inset-multi-shadow($arg1, $arg2) {
  -moz-box-shadow: inset $arg1, inset $arg2;
  -webkit-box-shadow: inset $arg1, inset $arg2;
  box-shadow: inset $arg1, inset $arg2;
}

@mixin box-inset-four-multi-shadow($arg1, $arg2,$arg3, $arg4) {
  -moz-box-shadow: inset $arg1, inset $arg2, inset $arg3, inset $arg4;
  -webkit-box-shadow: inset $arg1, inset $arg2, inset $arg3, inset $arg4;
  box-shadow: inset $arg1, inset $arg2, inset $arg3, inset $arg4;
}

@mixin appearance($args) {
  -webkit-appearance: $args;
  -moz-appearance: $args;
  appearance: $args;
}

@mixin triangle-up($size,$color) {
  display:block;
  width: 0;
  height: 0;

  border-left: $size solid transparent;
  border-right: $size solid transparent;
  border-bottom: $size solid $color;
}

@mixin triangle-down($size,$color) {
  display:block;
  width: 0;
  height: 0;

  border-left: $size solid transparent;
  border-right: $size solid transparent;
  border-top: $size solid $color;
}

@mixin triangle-left($size,$color) {
  display:block;
  width: 0;
  height: 0;
  border-top: $size solid transparent;
  border-bottom: $size solid transparent;
  border-right: $size solid $color;
}

@mixin triangle-right($size,$color) {
  display:block;
  width: 0;
  height: 0;
  border-top: $size solid transparent;
  border-bottom: $size solid transparent;
  border-left: $size solid $color;
}