@mixin box-shadow($string){
  -webkit-box-shadow: $string;
  -moz-box-shadow:    $string;
  box-shadow:         $string;
}
@mixin drop-shadow($x: 0, $y: 1px, $blur: 2px, $spread: 0, $alpha: 0.25){
  -webkit-box-shadow:	$x $y $blur $spread rgba(0, 0, 0, $alpha);
  -moz-box-shadow:	$x $y $blur $spread rgba(0, 0, 0, $alpha);
  box-shadow:		$x $y $blur $spread rgba(0, 0, 0, $alpha);
}
@mixin inner-shadow($x: 0, $y: 1px, $blur: 2px, $spread: 0, $alpha: 0.25){
  -webkit-box-shadow: inset $x $y $blur $spread rgba(0, 0, 0, $alpha);
  -moz-box-shadow:    inset $x $y $blur $spread rgba(0, 0, 0, $alpha);
  box-shadow:         inset $x $y $blur $spread rgba(0, 0, 0, $alpha);
}

@mixin box-sizing($type: border-box){
  -webkit-box-sizing: $type;
  -moz-box-sizing:    $type;
  box-sizing:         $type;
}

@mixin border-radius($radius: 5px){
  -webkit-border-radius: $radius;
  -moz-border-radius:    $radius;
  border-radius:         $radius;

  -moz-background-clip:    padding;
  -webkit-background-clip: padding-box;
  background-clip:         padding-box;
}
@mixin border-radiuses($topright: 0, $bottomright: 0, $bottomleft: 0, $topleft: 0){
  -webkit-border-radius: $topleft $topright $bottomright $bottomleft;

  -moz-border-radius: $topleft $topright $bottomright $bottomleft;

  border-radius: $topleft $topright $bottomright $bottomleft;

  -moz-background-clip:    padding;
  -webkit-background-clip: padding-box;
  background-clip:         padding-box;
}

@mixin opacity($opacity: 0.5){
  -webkit-opacity: 	$opacity;
  -moz-opacity: 		$opacity;
  opacity: 		$opacity;
}

@mixin gradient($startColor: #eee, $endColor: white){
  background-color: $startColor;
  background: -webkit-gradient(linear, left top, left bottom, from($startColor), to($endColor));
  background: -webkit-linear-gradient(top, $startColor, $endColor);
  background: -moz-linear-gradient(top, $startColor, $endColor);
  background: -ms-linear-gradient(top, $startColor, $endColor);
  background: -o-linear-gradient(top, $startColor, $endColor);
}
@mixin horizontal-gradient($startColor: #eee, $endColor: white){
  background-color: $startColor;
  background-image: -webkit-gradient(linear, left top, right top, from($startColor), to($endColor));
  background-image: -webkit-linear-gradient(left, $startColor, $endColor);
  background-image: -moz-linear-gradient(left, $startColor, $endColor);
  background-image: -ms-linear-gradient(left, $startColor, $endColor);
  background-image: -o-linear-gradient(left, $startColor, $endColor);
}

@mixin animation($name, $duration: 300ms, $ease: linear, $iteration: forwards){
  -webkit-animation: $name $duration $ease $iteration;
  -moz-animation:    $name $duration $ease $iteration;
  -ms-animation:     $name $duration $ease $iteration;
}

@mixin transition($transition){
  -webkit-transition: $transition;
  -moz-transition:    $transition;
  -ms-transition:     $transition;
  -o-transition:      $transition;
}
@mixin transform($string){
  -webkit-transform: $string;
  -moz-transform: 	 $string;
  -ms-transform: 		 $string;
  -o-transform: 		 $string;
}
@mixin scale($factor){
  -webkit-transform: scale($factor);
  -moz-transform: 	 scale($factor);
  -ms-transform: 		 scale($factor);
  -o-transform: 		 scale($factor);
}
@mixin rotate($deg){
  -webkit-transform: rotate($deg);
  -moz-transform: 	 rotate($deg);
  -ms-transform: 		 rotate($deg);
  -o-transform: 		 rotate($deg);
}
@mixin skew($deg, $deg2){
  -webkit-transform:       skew($deg, $deg2);
  -moz-transform: 	 skew($deg, $deg2);
  -ms-transform: 		 skew($deg, $deg2);
  -o-transform: 		 skew($deg, $deg2);
}
@mixin translate($x, $y:0){
  -webkit-transform:       translate($x, $y);
  -moz-transform: 	 translate($x, $y);
  -ms-transform: 		 translate($x, $y);
  -o-transform: 		 translate($x, $y);
}
@mixin translate3d($x, $y: 0, $z: 0){
  -webkit-transform:       translate3d($x, $y, $z);
  -moz-transform: 	 translate3d($x, $y, $z);
  -ms-transform: 		 translate3d($x, $y, $z);
  -o-transform: 		 translate3d($x, $y, $z);
}
@mixin perspective($value: 1000){
  -webkit-perspective: 	$value;
  -moz-perspective: 	$value;
  -ms-perspective: 	$value;
  perspective: 		$value;
}
@mixin transform-origin($x:center, $y:center){
  -webkit-transform-origin: $x $y;
  -moz-transform-origin:    $x $y;
  -ms-transform-origin:     $x $y;
  -o-transform-origin:      $x $y;
}

@mixin calc($prop, $val){
  #{$prop}: calc(#{$val});
  #{$prop}: -moz-calc(#{$val});
  #{$prop}: -webkit-calc(#{$val});
  #{$prop}: -o-calc(#{$val});
}


@mixin keyframes($animationName) {
  @-webkit-keyframes #{$animationName} {
    @content;
  }
  @-moz-keyframes #{$animationName} {
    @content;
  }
  @-o-keyframes #{$animationName} {
    @content;
  }
  @keyframes #{$animationName} {
    @content;
  }
}

@mixin triangle-base(){
  content: '';
  display: block;
  width: 0;
  height: 0;
  -moz-transform: scale(.9999);
}